title: Letter: Origin of alpha-fetoprotein.
mesh_terms: D000328:Adult; D000510:Alpha-Globulins / Q000032:analysis / Q000096:biosynthesis; D000653:Amniotic Fluid / Q000032:analysis; D001826:Body Fluids / Q000032:analysis; D002823:Chorion / Q000032:analysis; D005260:Female; D005326:Fetal Proteins / Q000032:analysis / Q000096:biosynthesis; D006801:Humans; D007044:Hysterectomy; D011247:Pregnancy; D011248:Pregnancy Complications; D014327:Trophoblasts
chemical_list: D000510:Alpha-Globulins; D005326:Fetal Proteins