Spectrum and frequencies of mutations in MSH2 and MLH1 identified in 1721 German families suspected of hereditary nonpolyposis colorectal cancer. - Mangold,E.; Pagenstecher,C.; Friedl,W.; Mathiak,M.; Buettner,R.; Engel,C.; Loeffler,M.; Holinski-Feder,E.; Muller-Koch,Y.; Keller,G.; Schackert,H.K.; Kruger,S.; et al. (Int J Cancer, 2005)