Multiple endocrine neoplasia type 1 with Zollinger–Ellison syndrome: clinicopathological analysis of a Japanese family with focus on menin immunohistochemistry oleh Noriko Kimura, Noriko Kimura, Yasuji Hirata, Nozomu Iwashiro, Hiroshi Kijima, Shinobu Takayasu, Satoshi Yamagata, Satoshi Yamagata, Satoru Sakihara, Satoru Sakihara, Shinya Uchino, Masanori Ohara