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Only one fetus with a lecithin\/sphingomyelin ratio of 2 or more developed the respiratory distress syndrome after delivery: that was the child of a diabetic mother. The technical limitations of the lecithin\/sphingomyelin ratio meant that it could not be measured in 12% of samples obtained.<\/jats:p>","DOI":"10.3109\/00016347709155018","type":"journal-article","created":{"date-parts":[[2009,12,8]],"date-time":"2009-12-08T18:05:49Z","timestamp":1260295549000},"page":"491-493","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Comparison Between the Lecithin\/Sphingomyelin Ratio and the Nile Blue Sulphate Test in the Estimation of Fetal Maturity"],"prefix":"10.1111","volume":"56","author":[{"given":"J. M.","family":"Gilbert","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N. 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