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Carcinogenesis 31 ( 3 ): 512 - 520 , 2010
S Bosner, A Becker, M. A Hani, H Keller, A. C Sonnichsen, K Karatolios, J. R Schaefer, J Haasenritter, E Baum and N. Donner Banzhoff
Family Practice 27 ( 4 ): 363 - 369 , 2010