Tomoscintigraphy for detecting gastrointestinal and medullary thyroid cancers: First clinical results using radiolabele d monoclonal antibodies against carcinoembryonic antigen - Berché, Ch; Mach, J-P; Lumbroso, J-D; Langlais, C; Aubrey, F; Bucheggger, F; Carrel, St; Rougier, Ph; Parmentier, C; Tubiana, M (Brit. med. J, 1982)