The Ala/Val98 polymorphism of the hepatocyte nuclear factor-1alpha gene contributes to the interindividual variation in serum C-peptide response during an oral glucose tolerance test: evidence from studies of 231 glucose-tolerant first degree relatives of type 2 diabetic probands. - Urhammer,SA.; Hansen,T.; Ekstrom,CT.; Eiberg,H.; Pedersen,O. (J Clin Endocrinol Metab, 1998)