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- [5] AMNIOTIC-FLUID CELLS AND LECITHIN-SPHINGOMYELIN RATIO OBSTETRICS AND GYNECOLOGY, 1977, 49 (03): : 280 - 286
- [7] A STUDY OF THE PROCOAGULANT PROPERTIES OF AMNIOTIC-FLUID AND THEIR CORRELATION WITH THE LECITHIN-SPHINGOMYELIN RATIO BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1981, 88 (02): : 133 - 137
- [8] CLINICAL APPLICATION OF AMNIOTIC-FLUID LECITHIN-SPHINGOMYELIN RATIO OBSTETRICS AND GYNECOLOGY, 1973, 42 (06): : 818 - 822