1. Elevation of free beta subunit of human choriogonadotropin and core beta fragment of human choriogonadotropin in the serum and urine of patients with malignant pancreatic and biliary disease;Alfthan;Cancer Res.,1992
2. Human chorionic gonadotropin isoforms and their epitopes: diagnostic utility in pregnancy and cancer;Berger;Expert Opin. Med. Diagn.,2008
3. Pregnancy testing with hCG–future prospects;Berger;Trends Endocrinol. Metab.: TEM,2014
4. Antigenic features of human follicle stimulating hormone delineated by monoclonal antibodies and construction of an immunoradiomometric assay;Berger;Endocrinology,1988
5. Variants of human chorionic gonadotropin from pregnant women and tumor patients recognized by monoclonal antibodies;Berger;J. Clin. Endocrinol. Metab.,1993