title: Alpha fetoprotein and human placental lactogen levels in maternal serum in multiple pregnancies.
mesh_terms: D000669:Amplifiers, Electronic; D005260:Female; D005313:Fetal Death / Q000097:blood; D005318:Fetal Heart; D005326:Fetal Proteins / Q000032:analysis*; D006801:Humans; D010928:Placental Lactogen / Q000097:blood*; D011225:Pre-Eclampsia; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011783:Quadruplets; D011863:Radioimmunoassay; D013997:Time Factors; D014310:Triplets; D014427:Twins
chemical_list: D005326:Fetal Proteins; D010928:Placental Lactogen