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Definition: a ratio used to determine fetal pulmonary maturity, found by testing the amniotic fluid; when the lungs are mature, lecithin exceeds sphingomyelin by 2 to 1.
Examples: glitazone, GI cocktail, etc.
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Data sources include Micromedex™ (updated Apr 16th, 2012), Cerner Multum™ (updated May 18th, 2012), Wolters Kluwer™ (updated Apr 29th, 2012) and others.
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