263 Free Beta HCG in Down Syndrome Screening

• 1 January 1992
• journal article
• Published by Elsevier in American Journal of Obstetrics and Gynecology
• Vol. 166  (1) , 350
• https://doi.org/10.1016/s0002-9378(12)91428-3

Abstract

Keywords

• SYNDROME SCREENING
• FREE BETA HCG
• HCG IN DOWN SYNDROME