Letter: Amniotic fluid contamination and surfactant measurement.
D000653:Amniotic Fluid / Q000032:analysis*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008470:Meconium / Q000032:analysis; D010713:Phosphatidylcholines / Q000032:analysis* / Q000097:blood; D011247:Pregnancy
D010713:Phosphatidylcholines