Anti-cea monoclonalantibody: technetium-99m labeling and the validation process of a scintigraphic animal model with a non-cellular antigenic implant - Sapienza, Marcelo Tatit; Marques, Fabio Luiz Navarro; Okamoto, Miriam Roseli Yoshie; Hironaka, Fausto Haruki; Buchpiguel, Carlos Alberto (Cellular and Molecular Biology, 2002)