(Q69378734)
Statements
Amniotic fluid lecithin-sphingomyelin ratio as an assessment of fetal pulmonary maturity (English)
Amniotic fluid lecithin/sphingomyelin ratio as an assessment of fetal pulmonary maturity (English)
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M. J. Bryson
H. A. Gabert
M. A. Stenchever
1 September 1972
15 September 1972
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