A novel Val648Ile substitution in RET protooncogene observed in a Cys634Arg multiple endocrine neoplasia type 2A kindred presenting with an adrenocorticotropin-producing pheochromocytoma. - Nunes,A.B.; Ezabella,M.C.; Pereira,A.C.; Krieger,J.E.; Toledo,S.P. (J Clin Endocrinol Metab, 2002)