Masson¿s pseudoangiosarcoma located in the perianal region: A rare entity G.R. Medina-Murillo; U. Rodríguez-Medina; U. Rodríguez-Wong;

Association of Fusobacterium nucleatum infection and colorectal cancer: A Mexican study H. Cuellar-Gómez; M.E. Ocharán-Hernández; C.C. Calzada-Mendoza; D.A. Comoto-Santacruz;