Absence of germ-line mutations of the multiple endocrine neoplasia type 1 (MEN1) gene in familial pituitary adenoma in contrast to MEN1 in Japanese. - Tanaka,C.; Yoshimoto,K.; Yamada,S.; Nishioka,H.; Ii,S.; Moritani,M.; Yamaoka,T.; Itakura,M. (J Clin Endocrinol Metab, 1998)