title: [Value of the optical density of the amniotic fluid at 650 nanometer as a diagnosis of fetal maturity. Preliminary report].
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D003720:Densitometry / Q000379:methods*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005323:Fetal Monitoring / Q000379:methods; D006801:Humans; D010713:Phosphatidylcholines / Q000032:analysis; D010715:Phosphatidylglycerols / Q000032:analysis; D010716:Phosphatidylinositols / Q000032:analysis; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D013109:Sphingomyelins / Q000032:analysis
chemical_list: D010713:Phosphatidylcholines; D010715:Phosphatidylglycerols; D010716:Phosphatidylinositols; D013109:Sphingomyelins
vernacular_title: Valor de la densidad óptica del líquido amniótico a 650 nanómetros como diagnóstico de madurez fetal. Communicación preliminar.