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American Journal of Obstetrics and Gynecology|July 1, 1975
Transversal and longitudinal lecithin-sphingomyelin ratios in amniotic and lung fluids of fetal lambsH B Rethmeier, H EgbertsBiology of the Neonate|January 1, 1975
Pressure volume curves of lamb lungs and the lecithin-sphingomyelin ratios of lung fluidJ Egberts, H B RethmeierPageof 1