1. Squamous cell anal carcinoma;Buxton;Arch. Surg.,1953
2. Epidermoid carcinoma of the anus and the rectum;Cattell;Arch. Surg.,1943
3. Squamous cell carcinoma of the anus;Gabriel,1941
4. An analysis of forty-nine cases of squamous cell carcinoma of the anus;Grinnell;Surg., Gynec. & Obst.,1954
5. Squamous cell carcinoma of the lower rectum and anus;Keyes;Ann. Surg.,1937