Tumors originating in the ischioanal fossae
Tài liệu tham khảo
Buie, 1937, Practical Proctology, 512
Chavelet, 1909
Shedden, 1934, Neoplasms originating in the ischiorectal fossa with particular reference to sarcomata, New England J. Med., 210, 696, 10.1056/NEJM193403292101308