共 50 条
- [3] DETERMINATION OF LECITHIN-SPHINGOMYELIN RATIO IN AMNIOTIC-FLUID OBSTETRICS AND GYNECOLOGY, 1972, 40 (02): : 173 - +
- [5] AMNIOTIC-FLUID CELLS AND LECITHIN-SPHINGOMYELIN RATIO OBSTETRICS AND GYNECOLOGY, 1977, 49 (03): : 280 - 286
- [7] LECITHIN - SPHINGOMYELIN RATIO AND PRESENCE OF VERNIX IN AMNIOTIC-FLUID BMJ-BRITISH MEDICAL JOURNAL, 1977, 2 (6101): : 1544 - 1545
- [8] EFFECT OF DEXAMETHASONE ON LECITHIN/SPHINGOMYELIN RATIO OF AMNIOTIC-FLUID ZENTRALBLATT FUR GYNAKOLOGIE, 1978, 100 (09): : 583 - 588
- [9] AMNIOTIC-FLUID LECITHIN/SPHINGOMYELIN RATIO AS AN INDEX OF FETAL MATURITY OBSTETRICS AND GYNECOLOGY, 1972, 39 (06): : 852 - &