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30. Lung profile: sex differences in normal pregnancy. Fleisher B, Kulovich MV, Hallman M, Gluck L. Obstet Gynecol; 1985 Sep; 66(3):327-30. PubMed ID: 4022494 [Abstract] [Full Text] [Related]
31. [A simple method for evaluation of the lecithin/sphingomyelin ratio in amniotic fluid. Variation in normal and abnormal pregnancies (138 cases) (author's transl)]. Legrand A, Delattre J, Paolaggi F, Michel L, Tescher M, Girard ML. Pathol Biol (Paris); 1976 Feb; 24(2):160-5. PubMed ID: 775408 [Abstract] [Full Text] [Related]
34. [Amniotic fluid lecithin-sphingomyelin ratios for evaluation of fetal lung maturity in pregnant diabetics]. Nitxan M, Gerbie AB, Freinkel N. Harefuah; 1973 Mar 15; 84(6):315-6. PubMed ID: 4704145 [No Abstract] [Full Text] [Related]
35. The lecithin-sphingomyelin ratio in amniotic fluid by thin layer chromatography: three areas of difficulty. Moore P. Med Lab Sci; 1982 Jul 15; 39(3):237-44. PubMed ID: 7132591 [No Abstract] [Full Text] [Related]
39. [Specifications on the lecithin/sphingomyelin ratio (L/S). Updated review]. Bazarra A, San Miguel A. Rev Clin Esp; 1993 Mar 15; 192(4):185-8. PubMed ID: 8480064 [Abstract] [Full Text] [Related]