The Gly972Arg polymorphism in the insulin receptor substrate-1 gene contributes to the variation in insulin secretion in normal glucose-tolerant humans. - Stumvoll,M.; Fritsche,A.; Volk,A.; Stefan,N.; Madaus,A.; Maerker,E.; Teigeler,A.; Koch,M.; Machicao,F.; Haring,H. (Diabetes, 2001)