About YAMAMOTO HIRONORI
About 自治医大 医 消化器内科
About colorectal neoplasm
About piercing
About Tumors(=neoplasms)of digestive system
About Surgical treatment for tumors
About Medical accidents,malpractice
About 大腸内視鏡検査
About 偶発症
About 治療
About 対策
About 内視鏡
About 穿孔