共 50 条
- [41] AMNIOTIC-FLUID LECITHIN-SPHINGOMYELIN RATIO CHANGES RELATED TO CENTRIFUGAL FORCE OBSTETRICS AND GYNECOLOGY, 1977, 50 (06): : 682 - 688
- [45] ESTIMATION OF SURFACTANT LECITHIN IN AMNIOTIC-FLUID AND PREDICTION OF RESPIRATORY-DISTRESS SYNDROME BIOLOGY OF THE NEONATE, 1976, 28 (1-2): : 18 - 26