a 20-day-old human conceptus was studied by the indirect immunoperoxidase technique for the presence of a series of plasma proteins : prealbumin ( pa ) , albumin ( alb ) , alpha-fetoprotein ( afp ) , alpha 1-antitrypsin ( a1at ) , carcioembryonic antigen ( cea ) , immunoglobulin g ( igg ) , ferritin ( fer ) , transferrin ( tr ) , fetal haemoglobin ( hbf ) , human chorionic gonadotropin ( hcg ) , human placental lactogen ( hpl ) and pregnancy specific beta 1-glycoprotein ( sp1 ) .
C0086418
human
C0002210
alpha-fetoprotein