Robert P. Akbari, Philip B. Paty, Jose G. Guillem, Martin R. Weiser, Larissa K. Temple, Bruce D. Minsky, Leonard Saltz, Douglas W. Wong,
Oncologic Outcomes of Salvage Surgery for Epidermoid Carcinoma of the Anus Initially Managed With Combined Modality Therapy Diseases of The Colon & Rectum. ,vol. 47, pp. 1136- 1144 ,(2004) ,
10.1007/S10350-004-0548-5