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31. Correlation of optical density, lecithin and lecithin/sphingomyelin ratio in amniotic fluid. Fonseca ME, Forsbach G, Canales ES, Zárate A. Int J Gynaecol Obstet; 1980 Feb 08; 18(1):61-2. PubMed ID: 6106604 [Abstract] [Full Text] [Related]
32. Modified method for estimating the phosphatidyl choline: sphingomyelin ratio in amniotic fluid, and its use in the assessment of fetal lung maturity. Sarkozi L, Kovacs HN, Fox HA, Kerenyi T. Clin Chem; 1972 Sep 08; 18(9):956-60. PubMed ID: 5065945 [No Abstract] [Full Text] [Related]
39. Predicting the risk of respiratory distress syndrome from the lecithin/sphingomyelin ratio and phosphatidyl glycerol results of amniotic fluid analysis. Wenk RE, Felix JK, Lustgarten JA. Md State Med J; 1983 Jul 08; 32(7):529-31. PubMed ID: 6632981 [No Abstract] [Full Text] [Related]