PAPAPETROU, PD NICOPOULOU, SC, THE ORIGIN OF A HUMAN CHORIONIC-GONADOTROPIN BETA-SUBUNIT-CORE FRAGMENT EXCRETED IN THE URINE OF PATIENTS WITH CANCER, Acta Endocrinologica, (112), 415-422, 1986, Universitetsforlaget (Scandinavian University Press), 1841-0987, 1843-066X