Serum Free β-Human Chorionic Gonadotrophin Concentrations Increase in Unseparated Blood Specimens

This publication has 6 references indexed in Scilit:

• Early Detection of Down's Syndrome Using Free Beta Human Choriogonadotropin
  Annals of Clinical Biochemistry: International Journal of Laboratory Medicine, 1992
• Free α-Subunit, Free β-Subunit of Human Chorionic Gonadotropin (hCG), and Intact hCG in Sera of Healthy Individuals and Testicular Cancer Patients
  Clinical Chemistry, 1992
• Evaluation of an assay of the free beta-subunit of choriogonadotropin and its potential value in screening for Down's syndrome
  Clinical Chemistry, 1991
• Measurement of choriogonadotropin free beta-subunit: an alternative to choriogonadotropin in screening for fetal Down's syndrome?
  Clinical Chemistry, 1991
• Maternal serum Down syndrome screening: Free β-protein is a more effective marker than human chorionic gonadotropin
  American Journal of Obstetrics and Gynecology, 1990
• hCG FREEb-SUBUNIT AN EARLY MARKER OF OUTCOME OF IN VITRO FERTILIZATION CLINICAL PREGNANCIES*
  Journal of Clinical Endocrinology & Metabolism, 1987