Restaging of colorectal cancer based on the identification of lymph node micrometastases through immunoperoxidase staining of cea and cytokeratins - Cutait, Raul; Alves, Venâncio Avancini Ferreira; Lopes, L C; Cutait, D E; Borges, J L A; Singer, Júlio da Motta; Silva, J. H.; Goffi, Fábio Schmidt (Diseases of the Colon and Rectum, 1991)