Anal canal cancer clinical practice guidelines in oncology

Paul F. Engstrom, Al B. Benson, Yi Jen Chen, Michael A. Choti, Raza A. Dilawari, Charles A. Enke, Marwan G. Fakih, Charles Fuchs, Krystyna Kiel, James A. Knol, Lucille A. Leong, Kirk A. Ludwig, Edward W. Martin, Sujata Rao, M. Wasif Saif, Leonard Saltz, John M. Skibber, Alan P. Venook, Timothy J. Yeatman