Fiberoptic ductoskopy of the breast: a new diagnostic prcedure for nipple discharge. - Okazaki,A.; Okazaki,M.; Asaishi,K.; Satoh,H.; Watanabe,Y.; Mikami,T.K.; Okazaki,Y.; Nabeta,K.; Hirata,K. (Jpn J Clin Oncol, 1991)