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John SM, Diepgen TL, Elsner P, Köllner A, Richter G, Rothe A, Schindera I, Stary A, Wehrmann W, Schwanitz HJ.John SM, et al.J Dtsch Dermatol Ges. 2004 Aug;2(8):717-21. doi: 10.1046/j.1439-0353.2004.04028.x.J Dtsch Dermatol Ges. 2004.PMID: 16279239German.
Skudlik C, Dulon M, Pohrt U, Appl KC, John SM, Nienhaus A.Skudlik C, et al. Among authors: john sm.Contact Dermatitis. 2006 Jul;55(1):42-7. doi: 10.1111/j.0105-1873.2006.00871.x.Contact Dermatitis. 2006.PMID: 16842554
Skudlik C, John SM.Skudlik C, et al. Among authors: john sm.Curr Probl Dermatol. 2007;34:133-137. doi: 10.1159/000099994.Curr Probl Dermatol. 2007.PMID: 17312363Review.
Bock M, Wulfhorst B, John SM.Bock M, et al. Among authors: john sm.Contact Dermatitis. 2007 Aug;57(2):94-6. doi: 10.1111/j.1600-0536.2007.01159.x.Contact Dermatitis. 2007.PMID: 17627647
John SM, Skudlik C, Römer W, Blome O, Brandenburg S, Diepgen TL, Harwerth A, Köllner A, Pohrt U, Rogosky E, Schindera I, Stary A, Worm M; German Society of Dermatology (DDG); Task Force on Occupational and Environmental Dermatology (ABD).John SM, et al.J Dtsch Dermatol Ges. 2007 Dec;5(12):1146-8. doi: 10.1111/j.1610-0387.2007.06344.x. Epub 2007 Sep 28.J Dtsch Dermatol Ges. 2007.PMID: 17903219English, German.No abstract available.