共 50 条
- [3] AMNIOTIC-FLUID LECITHIN/SPHINGOMYELIN RATIOS AND DEXAMETHASONE LANCET, 1973, 2 (7828): : 575 - 575
- [4] EFFECT OF MECONIUM CONTAMINATION ON AMNIOTIC-FLUID LECITHIN - SPHINGOMYELIN RATIO OBSTETRICS AND GYNECOLOGY, 1981, 58 (05): : 605 - 608
- [5] DETERMINATION OF LECITHIN-SPHINGOMYELIN RATIO IN AMNIOTIC-FLUID OBSTETRICS AND GYNECOLOGY, 1972, 40 (02): : 173 - +
- [7] AMNIOTIC-FLUID CELLS AND LECITHIN-SPHINGOMYELIN RATIO OBSTETRICS AND GYNECOLOGY, 1977, 49 (03): : 280 - 286
- [9] LECITHIN - SPHINGOMYELIN RATIO AND PRESENCE OF VERNIX IN AMNIOTIC-FLUID BMJ-BRITISH MEDICAL JOURNAL, 1977, 2 (6101): : 1544 - 1545