title: Accelerated clotting time: an amniotic fluid thromboplastic activity index of fetal maturity.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D001780:Blood Coagulation Tests; D003951:Diagnostic Errors; D005260:Female; D005333:Fetus / Q000502:physiology*; D006801:Humans; D010713:Phosphatidylcholines / Q000032:analysis; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods; D013109:Sphingomyelins / Q000032:analysis
chemical_list: D010713:Phosphatidylcholines; D013109:Sphingomyelins