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2. Foam-stability test on gastric aspirate and the diagnosis of respiratory-distress syndrome. Cowett RM, Unsworth EJ, Hakanson DO, Williams JR, Oh W. N Engl J Med; 1975 Aug 28; 293(9):413-6. PubMed ID: 239347 [Abstract] [Full Text] [Related]
3. Gastric aspirate lecithin/sphingomyelin ratio and neonatal breathing difficulties. Korvenranta H. Gynecol Obstet Invest; 1983 Aug 28; 15(3):177-84. PubMed ID: 6687581 [Abstract] [Full Text] [Related]
4. Predicting respiratory distress by thin-layer chromatography of the newborn gastric aspirate. Armstrong D, Van Wormer DE, Gideon WP. Obstet Gynecol; 1976 Jul 28; 48(1):35-9. PubMed ID: 934572 [Abstract] [Full Text] [Related]
11. Amniotic fluid shake test versus lecithin-sphingomyelin ratio in the antenatal prediction of respiratory distress syndrome. Szabó IM, Csaba IF, Drozgyik IA, Novák PF. Z Geburtshilfe Perinatol; 1977 Aug 28; 181(4):260-3. PubMed ID: 578601 [Abstract] [Full Text] [Related]
13. [Comparison between lecithin-sphingomyelin-ratio and surface tension of amniotic fluid with regard to the prediction of fetal lung maturity (author's transl)]. Salzer H, Nezbeda J, Euler A, Gruber W. Wien Med Wochenschr; 1980 Jan 15; 130(1):14-8. PubMed ID: 6893098 [Abstract] [Full Text] [Related]
14. Fetal lung maturation: human amniotic fluid phosphatidate phosphohydrolase activity through normal gestation and its relation to the lecithin/sphingomyelin ratio. Herbert WN, Johnston JM, MacDonald PC, Jimenez JM. Am J Obstet Gynecol; 1978 Oct 15; 132(4):373-9. PubMed ID: 212953 [Abstract] [Full Text] [Related]
18. Comparison of amniotic fluid disaturated phosphatidylcholine and the lecithin-sphingomyelin ratio in the prediction of fetal lung maturity. Nugent CE, Ayers JW, Menon KM. Obstet Gynecol; 1986 Oct 15; 68(4):541-5. PubMed ID: 3748505 [Abstract] [Full Text] [Related]