study of the p/s ratio in amniotic fluid and in the pharyngeal secretions of 27 children born by caesarean operation embodies a contradiction in the results the newborns in whom the ratio in the amniotic fluid was greater than 3 never had respiratory distress although the ratio studied at the same time in the pharyngeal secretions was low and sometimes less than 3 .
C0008059
children
C0021289
newborns