No abstract available
MeSH terms
-
Amniotic Fluid / analysis*
-
Female
-
Humans
-
Infant, Newborn
-
Phosphatidylcholines / analysis*
-
Pregnancy
-
Prenatal Diagnosis
-
Respiratory Distress Syndrome, Newborn / diagnosis*
-
Sphingomyelins / analysis*
Substances
-
Phosphatidylcholines
-
Sphingomyelins