1. Absence of the COOH-terminal peptide on ectopic human chorionic gonadotropin β-subunit (HCG-β);Cole;Endocrinology,1982
2. Urinary gonadotropin fragments;Schwartz;Anticancer Res,1993
3. β-core fragment (β-core UGP or UGF);Cole;Tumor Marker Upd,1994
4. Urinary beta core fragment: 7 years later;Cole;J Tumor Marker Oncol,1994
5. Beta core fragment (β-core/UGF/UGP), a tumor marker: seven year report;Cole;Gynecol Oncol,1996