Artikel (peer reviewed)

Forschungsartikel (Zeitschriften)

• 2024
• 2023
• 2022
• 2021
• 2020
• 2019
• 2018
• 2017
• 2016
• 2015
• 2014
• 2013
• 2012
• 2010
• 2009
• 2008
• 2007
• 2005
• 2004
• 2002

2024

• Klein-Raufhake, T, Hölzel, N, Schaper, JJ, Hortmann, A, Elmer, M, Fornfeist, M, Linnemann, B, Meyer, M, Rentemeister, K, Santora, L, Wöllecke, J, und Hamer, U. u. a. 2024. „Severity of topsoil compaction controls the impact of skid trails on soil ecological processes.“ Journal of Applied Ecology, Nr. 00: 1–12. doi: 10.1111/1365-2664.14708.
• Zhang, F, Wang, Q, Zhang, Y, Yao, S, Wang, Q, Ndzana, G, Hamer, U, Kuzyakov, Y, Zhang, B, und ,. u. a. 2024. „Soil organic carbon increase via microbial assimilation or soil protection against the priming effect is mediated by the availability of soil N relative to input C.“ Geoderma, Nr. 444 116861. doi: 10.1016/j.geoderma.2024.116861.

2023

• Freitag, M, Hölzel, N, Neuenkamp, L, Plas, F, Manning, P, Abrahão, A, Bergmann, J, Boeddinghaus, R, Bolliger, R, Hamer, U, Kandeler, E, Kleinebecker, T, Knorr, K-H, Marhan, S, Neyret, M, Prati, D, Le Provost, G, Saiz, H, Kleunen, M, Schäfer, D, und Klaus, VH. u. a. 2023. „Increasing plant species richness by seeding has marginal effects on ecosystem functioning in agricultural grasslands.“ Journal of Ecology, Nr. early view (n/a) doi: 10.1111/1365-2745.14154.
• Middelanis, Thomas, Pohl, Chiara Marie, Looschelders, Dana, und Hamer, Ute. 2023. „New directions for the Tea Bag Index: Alternative teabags and concepts can advance citizen science.“ Ecological Research, Nr. 38 (5) doi: 10.1111/1440-1703.12409.
• Georges, Martial N, Yao, S, Hamer, U, Zhang, Y, Zhang, B, und ,. 2023. „Positive and negative priming effects induced by freshly added mineral-associated oxalic acid in a Mollisol.“ Rhizosphere, Nr. 26 100708. doi: 10.1016/j.rhisph.2023.100708.

2022

• Muskus, AM, Miltner, A, Hamer, U, und Nowak, KM. 2022. „Microbial community composition and glyphosate degraders of two soils under the influence of temperature, total organic carbon and pH.“ Environmental Pollution, Nr. 297: 118790. doi: 10.1016/j.envpol.2022.118790.
• Meyer U.N., Tischer A., Freitag M., Klaus V.H., Kleinebecker T., Oelmann Y., Kandeler E., Hölzel N., Hamer U.,. 2022. „Enzyme kinetics inform about mechanistic changes in tea litter decomposition across gradients in land-use intensity in Central German grasslands.“ Science of the Total Environment, Nr. 836 155748. doi: 10.1016/j.scitotenv.2022.155748.
• Abrahão A.; Marhan S.; Boeddinghaus R.S.; Nawaz A.; Wubet T.; Hölzel N.; Klaus V.H.; Kleinebecker T.; Freitag M.; Hamer U.; Oliveira R.S.;Lambers H.; Kandeler E.;. 2022. „Microbial drivers of plant richness and productivity in a grassland restoration experiment along a gradient of land-use intensity.“ New Phytologist, Nr. 236 (5): 1936–1950. doi: 10.1111/nph.18503.
• Ndzana, G, Zhang, Y, Yao, S, Hamer, U, und Zhang, B. 2022. „The adsorption capacity of root exudate organic carbon onto clay mineral surface changes depending on clay mineral types and organic carbon composition.“ Rhizosphere, Nr. 23 doi: 10.1016/j.rhisph.2022.100545.

2021

• Hamer, U, Meyer, MUT, Meyer, U, Radermacher, A, Götze, P, Koch, H, und Scherber, C. u. a. 2021. „Soil microbial biomass and enzyme kinetics for the assessment of temporal diversification in agroecosystems.“ Basic and Applied Ecology, Nr. 53: 143–153.
• T, Kwon, H, Shibata, S, Kepfer-Rojas, IK, Schmidt, KS, Larsen, C, Beier, B, Berg, K, Verheyen, J, Lamarque, F, Hagedorn, N, Eisenhauer, I, Djukic, TN, T, Kwon, H, Shibata, S, Kepfer-Rojas, IK, Schmidt, KS, Larsen, C, Beier, B, Berg, K, Verheyen, JF, Lamarque, F, Hagedorn, N, Eisenhauer, I, Djukic, A, Caliman, A, Paquette, A, Gutiérrez-Girón, A, Petraglia, A, Augustaitis, A, Saillard, AC, Ruiz-Fernández, AI, Sousa, AI, Lillebø, AdR, Gripp, A, Lamprecht, A, Bohner, A, Francez, A, Malyshev, A, Andrić, A, Stanisci, A, Zolles, A, Avila, A, Virkkala, A, Probst, A, Ouin, AA, Khuroo, A, Verstraeten, A, Stefanski, A, Gaxiola, B, Muys, B, Gozalo, B, Ahrends, B, Yang, B, Erschbamer, CER, Ortíz, CT, Christiansen, C, Meredieu, C, Mony, C, Nock, C, Wang, C, Baum, C, Rixen, C, Delire, C, Piscart, C, Andrews, C, Rebmann, C, Branquinho, D, Jan, D, Wundram, D, Vujanović, EC, Adair, E, Ordóñez-Regil, ER, Crawford, EF, Tropina, E, Hornung, E, Groner, E, Lucot, E, Gacia, E, Lévesque, E, Benedito, EA, Davydov, FP, Bolzan, FT, Maestre, F, Maunoury-Danger, F, Kitz, F, Hofhansl, F, Sutter, FdA, Lobo, FL, Souza, F, Zehetner, FK, Koffi, G, Wohlfahrt, G, Certini, GD, Pinha, G, González, G, Canut, H, Pauli, HA, Bahamonde, H, Feldhaar, H, Jäger, HC, Serrano, H, Verheyden, H, Bruelheide, H, Meesenburg, H, Jungkunst, H, Jactel, H, Kurokawa, I, Yesilonis, I, Melece, Iv, Halder, IG, Quirós, I, Fekete, I, Ostonen, J, Borovská, J, Roales, JH, Shoqeir, J, Lata, J, Probst, J, Vijayanathan, J, Dolezal, J, Sanchez-Cabeza, J, Merlet, J, Loehr, Jv, Oppen, J, Löffler, JLB, Alonso, J, Cardoso-Mohedano, J, Peñuelas, JC, Morina, JD, Quinde, JJ, Jiménez, JM, Alatalo, J, Seeber, J, Kemppinen, J, Stadler, K, Kriiska, KVd, Meersche, K, Fukuzawa, K, Szlavecz, K, Juhos, K, Gerhátová, K, Lajtha, K, Jennings, K, Tielbörger, K, Hoshizaki, K, Green, K, Steinbauer, L, Pazianoto, L, Dienstbach, L, Yahdjian, LJ, Williams, L, Brigham, L, Hanna, Lvd, Brink, L, Rustad, L, Morillas, LS, Carneiro, LD, Martino, L, Villar, LAF, Tavares, M, Morley, M, Winkler, M, Lebouvier, M, Tomaselli, M, Schaub, M, Glushkova, MGA, Torres, Md, Graaff, M, Pons, M, Bauters, M, Mazón, M, Frenzel, M, Wagner, M, Didion, M, Hamid, M, Lopes, M, Apple, M, Weih, M, Mojses, M, Gualmini, M, Vadeboncoeur, M, Bierbaumer, M, Danger, M, Scherer-Lorenzen, M, Růžek, M, Isabellon, MD, Musciano, M, Carbognani, M, Zhiyanski, M, Puşcaş, M, Barna, M, Ataka, M, Luoto, MH, Alsafaran, N, Barsoum, N, Tokuchi, N, Korboulewsky, N, Lecomte, N, Filippova, N, Hölzel, O, Ferlian, O, Romero, O, Pinto-Jr, P, Peri, PD, Turtureanu, P, Haase, P, Macreadie, PB, Reich, P, Petřík, P, Choler, P, Marmonier, Q, Ponette, RD, Guariento, R, Canessa, R, Kiese, R, Hewitt, R, Weigel, R, Kanka, RC, Gatti, RL, Martins, R, Ogaya, R, Georges, RG, Gavilán, S, Wittlinger, S, Puijalon, S, Suzuki, S, Martin, S, Anja, S, Gogo, S, Schueler, S, Drollinger, S, Mereu, S, Wipf, S, Trevathan-Tackett, S, Stoll, S, Löfgren, S, Trogisch, S, Seitz, S, Glatzel, S, Venn, S, Dousset, T, Mori, T, Sato, T, Hishi, T, Nakaji, T, Jean-Paul, T, Camboulive, T, Spiegelberger, T, Scholten, TJ, Mozdzer, T, Kleinebecker, T, Rusňák, T, Ramaswiela, T, Hiura, T, Enoki, T, Ursu, UMd, Cella, U, Hamer, V, Klaus, VD, Cecco, V, Rego, V, Fontana, V, Piscová, V, Bretagnolle, V, Maire, V, Farjalla, V, Pascal, W, Zhou, W, Luo, W, Parker, Y, Utsumi, Y, Kominami, Z, Kotroczó, und Z, Tóth. u. a. 2021. „Effects of Climate and Atmospheric Nitrogen Deposition on Early to Mid-Term Stage Litter Decomposition Across Biomes.“ Frontiers in Forests and Global Change, Nr. 4 doi: 10.3389/ffgc.2021.678480.
• Freitag, M, Klaus, VH, Bolliger, R, Hamer, U, Kleinebecker, T, Prati, D, Schäfer, D, und Hölzel, N. u. a. 2021. „Restoration of plant diversity in permanent grassland by seeding: Assessing the limiting factors along land-use gradients.“ Journal of Applied Ecology, Nr. 58 (8): 1681–1692. doi: 10.1111/1365-2664.13883.

2020

• Klaus, VH, Friedritz, L, Hamer, U, und Kleinebecker, T. 2020. „Drought boosts risk of nitrate leaching from grassland fertilisation.“ Science of the Total Environment, Nr. 726: 137877. doi: 10.1016/j.scitotenv.2020.137877.
• Muskus, AM, Krauss, M, Miltner, A, Hamer, U, und Nowak, KM. 2020. „Degradation of glyphosate in a Colombian soil is influenced by temperature, total organic carbon content and pH.“ Environmental Pollution, Nr. 259: 113767.
• Knoke, T, Paul, C, Rammig, A, Gosling, E, Hildebrandt, P, Härtl, F, Peters, T, Richter, M, Diertl, K, Castro, LM, Calvas, B, Ochoa, S, Valle-Carrión, LA, Hamer, U, Tischer, A, Potthast, K, Windhorst, D, Homeier, J, Wilcke, W, Velescu, A, Gerique, A, Pohle, P, Adams, J, Breuer, L, Mosandl, R, Beck, E, Weber, M, Stimm, B, Silva, B, Verburg, PH, und Bendix, J. u. a. 2020. „Accounting for multiple ecosystem services in a simulation of land-use decisions: Does it reduce tropical deforestation?“ Global Change Biology, Nr. 26 (4): 2403–2420. doi: 10.1111/gcb.15003.
• Poniatowski, D, Stuhldreher, G, Helbing, F, Hamer, U, und Fartmann, T. 2020. „Restoration of calcareous grasslands: The early successional stage promotes biodiversity.“ Ecological Engineering, Nr. 151: 105858.

2019

• Tischer, A, Sehl, L, Meyer, UN, Kleinebecker, T, Klaus, VH, und Hamer, U. 2019. „Land-use intensity shapes kinetics of extracellular enzymes in rhizosphere soil of agricultural grassland plant species.“ SOIL, Nr. 437: 215–239. doi: 10.1007/s11104-019-03970-w.
• Schäfer, D, Klaus, VH, Kleinebecker, T, Boeddinghaus, R, Hinderling, J, Kandeler, E, Marhan, S, Nowak, S, Sonnemann, I, Wurst, S, Fischer, M, Hölzel, N, Hamer, U, und Prati, D. u. a. 2019. „Recovery of ecosystem functions after experimental disturbance in 73 grasslands differing in land-use intensity, plant species richness and community composition.“ Journal of Ecology, Nr. 107 (6): 2635–2649. doi: 10.1111/1365-2745.13211.
• Muskus, AM, Krauss, M, Miltner, A, Hamer, U, und Nowak, KM. 2019. „Effect of temperature, pH and total organic carbon variations on microbial turnover of 13C315N-glyphosate in agricultural soil.“ Science of the Total Environment, Nr. 658: 697–707.
• Quichimbo, P, Jiménez, L, Veintimilla, D, Potthast, K, Tischer, A, Günter, S, Mosandl, R, und Hamer, U. u. a. 2019. „Nutrient dynamics in an Andean forest region: a case study of exotic and native species plantations in southern Ecuador.“ New Forests, Nr. 51 (2): 313–334. doi: 10.1007/s11056-019-09734-9DO-10.1007/s11056-019-09734-9.

2018

• VH, Klaus, T, Kleinebecker, V, Busch, M, Fischer, Hölzel, S, Nowak, D, Prati, D, Schäfer, I, Schöning, M, Schrumpf, und U, Hamer. u. a. 2018. „Land use intensity, rather than plant species richness, affects the leaching risk of multiple nutrients from permanent grasslands.“ Global Change Biology, Nr. 24 (7): 2828–2840. doi: 10.1111/gcb.14123.
• Kleinebecker, T, Busch, V, Hölzel, N, Hamer, U, Schäfer, D, Prati, D, Fischer, M, Hemp, A, Lauterbach, R, und Klaus, VH. u. a. 2018. „And the winner is … ! A test of simple predictors of plant species richness in agricultural grasslands.“ Ecological Indicators, Nr. 87: 296–301. doi: 10.1016/j.ecolind.2017.12.031.
• Klaus, VH, Hoever, CJ, Fischer, M, Hamer, U, Kleinebecker, T, Mertens, D, Schäfer, D, Prati, D, und Hölzel, N. u. a. 2018. „Contribution of the soil seed bank to the restoration of temperate grasslands by mechanical sward disturbance.“ Restoration Ecology, Nr. 26 (S2): S114–S122. doi: 10.1111/rec.12626.
• Klaus, VH, Schäfer, D, Prati, D, Busch, V, Hamer, U, Hoever, CJ, Kleinebecker, T, Mertens, D, Fischer, M, und Hölzel, N. u. a. 2018. „Effects of mowing, grazing and fertilization on soil seed banks in temperate grasslands in Central Europe.“ Agriculture, Ecosystems and Environment, Nr. 256: 211–217. doi: 10.1016/j.agee.2017.11.008.

2017

• Quichimbo, P., Jiménez, L., Veintimilla, D., Tischer, A., Günter, S., Mosandl, R., und Hamer, U. u. a. 2017. „Forest site classification in the Southern Andean region of ecuador: A case study of pine plantations to collect a base of soil attributes.“ Forests, Nr. 8 (12) doi: 10.3390/f8120473.

2016

• Graham, EB, Knelman, JE, Schindlbacher, A, Siciliano, S, Breulmann, M, Yannarell, A, Beman, JM, Abell, G, Philippot, L, Prosser, J, Foulquier, A, Yuste, JC, Glanville, HC, Jones, D, Angel, R, Salminen, J, Newton, RJ, Bürgmann, H, Ingram, LJ, Hamer, U, Siljanen, HM, Peltoniemi, K, Potthast, K, Bañeras, L, Hartmann, M, Banerjee, S, Yu, RQ, Nogaro, G, Richter, A, Koranda, M, Castle, S, Goberna, M, Song, B, Chatterjee, A, Nunes, OC, Lopes, AR, Cao, Y, Kaisermann, A, Hallin, S, Strickland, MS, Garcia-Pausas, J, Barba, J, Kang, H, Isobe, K, Papaspyrou, S, Pastorelli, R, Lagomarsino, A, Lindström, E, Basiliko, N, und Nemergut, DR. u. a. 2016. „Microbes as engines of ecosystem function: when does community structure enhance predictions of ecosystem processes?“ Frontiers in Microbiology, Nr. 7 doi: 10.3389/fmicb.2016.00214.
• Knoke, T., Paul, C., Hildebrandt, P., Calvas, B., Castro, L., Hartl, F., Dollerer, M., Hamer, U., Windhorst, D., Wiersma, Y., Curatola, Fernández G., Obermeier, W., Adams, J., Breuer, L., Mosandl, R., Beck, E., Weber, M., Stimm, B., Haber, W., Fürst, C., und Bendix, J. u. a. 2016. „Compositional diversity of rehabilitated tropical lands supports multiple ecosystem services and buffers uncertainties.“ Nature Communications, Nr. 7 (null) doi: 10.1038/ncomms11877.

2015

• Tischer, A., Blagodatskaya, E., und Hamer, U. 2015. „Microbial community structure and resource availability drive the catalytic efficiency of soil enzymes under land-use change conditions.“ Soil Biology and Biochemistry, Nr. 89 (null): 226–237. doi: 10.1016/j.soilbio.2015.07.011.
• Tischer, A., Werisch, M., Döbbelin, F., Camenzind, T., Rillig, M., Potthast, K., und Hamer, U. u. a. 2015. „Above- and belowground linkages of a nitrogen and phosphorus co-limited tropical mountain pasture system – responses to nutrient enrichment.“ Plant and Soil, Nr. 391 (null): 333–352. doi: 10.1007/s11104-015-2431-7.
• Passauer, L., Hallas, T., Bäucker, E., Ciesielski, G., Lebioda, S., und Hamer, U. 2015. „Biodegradation of Hydrogels from Oxyethylated Lignins in Model Soils.“ ACS Sustainable Chemistry & Engineering, Nr. 3 (9): 1955–1964. doi: 10.1021/acssuschemeng.5b00139.

2014

• Tischer, A., Blagodatskaya, E., und Hamer, U. 2014. „Extracellular enzyme activities in a tropical mountain rainforest region of southern Ecuador affected by low soil P status and land-use change.“ Applied Soil Ecology, Nr. 74 (null): 1–11. doi: 10.1016/j.apsoil.2013.09.007.
• Tischer, A., Potthast, K., und Hamer, U. 2014. „Land-use and soil depth affect resource and microbial stoichiometry in a tropical mountain rainforest region of southern Ecuador.“ Oecologia, Nr. 175 (1): 375–393. doi: 10.1007/s00442-014-2894-x.
• Knoke, T, Bendix, J, Pohle, P, Hamer, U, Hildebrandt, P, Roos, K, Gerique, A, Sandoval, ML, Breuer, L, Tischer, A, Silva, B, Calvas, B, Aguirre, N, Castro, LM, Windhorst, D, Weber, M, Stimm, B, Guenter, S, Palomeque, X, Mora, J, Mosandl, R, und Beck, E. u. a. 2014. „Afforestation or intense pasturing improve the ecological and economic value of abandoned tropical farmlands.“ Nature Communications, Nr. 5 doi: 10.1038/ncomms6612.

2013

• Hamer, U, Potthast, K, Burneo, JI, und Makeschin, F. 2013. „Nutrient stocks and phosphorus fractions in mountain soils of Southern Ecuador after conversion of forest to pasture.“ Biogeochemistry, Nr. 112 (1-3): 495–510. doi: 10.1007/s10533-012-9742-z.

2012

• Pulleman, M, Creamer, R, Hamer, U, Helder, J, Pelosi, C, Pérès, G, und Rutgers, M. u. a. 2012. „Soil biodiversity, biological indicators and soil ecosystem services-an overview of European approaches.“ Current Opinion in Environmental Sustainability, Nr. 4 (5): 529–538. doi: 10.1016/j.cosust.2012.10.009.
• Potthast, K, Hamer, U, und Makeschin, F. 2012. „Land-use change in a tropical mountain rainforest region of southern Ecuador affects soil microorganisms and nutrient cycling.“ Biogeochemistry, Nr. 111 (1-3): 151–167. doi: 10.1007/s10533-011-9626-7.
• Potthast, K, Hamer, U, und Makeschin, F. 2012. „In an Ecuadorian pasture soil the growth of Setaria sphacelata, but not of soil microorganisms, is co-limited by N and P.“ Applied Soil Ecology, Nr. 62: 103–114. doi: 10.1016/j.apsoil.2012.08.003.
• Hamer, U, Rumpel, C, und Dignac, M-F. 2012. „Cutin and suberin biomarkers as tracers for the turnover of shoot and root derived organic matter along a chronosequence of Ecuadorian pasture soils.“ European Journal of Soil Science, Nr. 63 (6): 808–819. doi: 10.1111/j.1365-2389.2012.01476.x.

2010

• Potthast, K, Hamer, U, und Makeschin, F. 2010. „Impact of litter quality on mineralization processes in managed and abandoned pasture soils in Southern Ecuador.“ Soil Biology and Biochemistry, Nr. 42 (1): 56–64. doi: 10.1016/j.soilbio.2009.09.025.

2009

• Hamer, U, Potthast, K, und Makeschin, F. 2009. „Urea fertilisation affected soil organic matter dynamics and microbial community structure in pasture soils of Southern Ecuador.“ Applied Soil Ecology, Nr. 43 (2-3): 226–233. doi: 10.1016/j.apsoil.2009.08.001.
• Hamer, U, und Makeschin, F. 2009. „Rhizosphere soil microbial community structure and microbial activity in set-aside and intensively managed arable land.“ Plant and Soil, Nr. 316 (1-2): 57–69. doi: 10.1007/s11104-008-9758-2.
• Hamer, U, Makeschin, F, An, S, und Zheng, F. 2009. „Microbial activity and community structure in degraded soils on the Loess Plateau of China.“ Journal of Plant Nutrition and Soil Science, Nr. 172 (1): 118–126. doi: 10.1002/jpln.200700340.

2008

• An, S, Zheng, F, Zhang, F, Van Pelt, S, Hamer, U, und Makeschin, F. 2008. „Soil quality degradation processes along a deforestation chronosequence in the Ziwuling area, China.“ CATENA, Nr. 75 (3): 248–256. doi: 10.1016/j.catena.2008.07.003.
• Hamer, U, Makeschin, F, Stadler, J, und Klotz, S. 2008. „Soil organic matter and microbial community structure in set-aside and intensively managed arable soils in NE-Saxony, Germany.“ Applied Soil Ecology, Nr. 40 (3): 465–475. doi: 10.1016/j.apsoil.2008.07.001.
• Marschner, B, Brodowski, S, Dreves, A, Gleixner, G, Gude, A, Grootes, PM, Hamer, U, Heim, A, Jandl, G, Ji, R, Kaiser, K, Kalbitz, K, Kramer, C, Leinweber, P, Rethemeyer, J, Schäffer, A, Schmidt, MWI, Schwark, L, und Wiesenberg, GLB. u. a. 2008. „How relevant is recalcitrance for the stabilization of organic matter in soils?“ Journal of Plant Nutrition and Soil Science, Nr. 171 (1): 91–110. doi: 10.1002/jpln.200700049.

2007

• Ohm, H, Hamer, U, und Marschner, B. 2007. „Priming effects in soil size fractions of a podzol Bs horizon after addition of fructose and alanine.“ Journal of Plant Nutrition and Soil Science, Nr. 170 (4): 551–559. doi: 10.1002/jpln.200625087.
• Hamer, U, Unger, M, und Makeschin, F. 2007. „Impact of air-drying and rewetting on PLFA profiles of soil microbial communities.“ Journal of Plant Nutrition and Soil Science, Nr. 170 (2): 259–264. doi: 10.1002/jpln.200625001.

2005

• Hamer, U, und Marschner, B. 2005. „Priming effects in soils after combined and repeated substrate additions.“ Geoderma, Nr. 128 (1-2): 38–51. doi: 10.1016/j.geoderma.2004.12.014.
• Hamer, U, und Marschner, B. 2005. „Priming effects in different soil types induced by fructose, alanine, oxalic acid and catechol additions.“ Soil Biology and Biochemistry, Nr. 37 (3): 445–454. doi: 10.1016/j.soilbio.2004.07.037.

2004

• Hamer, U, Marschner, B, Brodowski, S, und Amelung, W. 2004. „Interactive priming of black carbon and glucose mineralisation.“ Organic Geochemistry, Nr. 35 (7): 823–830. doi: 10.1016/j.orggeochem.2004.03.003.

2002

• Hamer, U, und Marschner, B. 2002. „Priming effects of sugars, amino acids, organic acids and catechol on the mineralization of lignin and peat.“ Journal of Plant Nutrition and Soil Science, Nr. 165 (3): 261–268. doi: 10.1002/1522-2624(200206)165:3<261::AID-JPLN261>3.0.CO;2-I.