A new hot spot for mutations in the RET proto-oncogene causing familial medullary thyroid carcinoma and MEN type 2a. - Berndt,N.; Reuter,M.; Saller,B.; Frank-Raue,K.; Groth,P.; Grubendorf,M.; Raue,F.; Ritter,M.M.; Höppner,W. (J Clin Endocrinol Metabol, 1998)