(Q46392273)
Statements
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The effect of cesarean section on respiratory distress in the presence of a mature lecithin/sphingomyelin ratio (English)
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The effect of cesarean section on respiratory distress in the presence of a mature lecithin-sphingomyelin ratio (English)
H. A. Gabert
M. J. Bryson
M. A. Stenchever
1 June 1973
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116
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3
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366-368
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