| Respiratory distress syndrome and maternal birth weight effects -Methodology and some comparisons of maternal birthweight and infantbirthweight and gestation in four ethnic groups |
Strandjord, T.P.;Emanuel, I.;Williams, M.A.;Leisenring, W.M.;Kimpo, C.; |
Obstetrics and Gynecology |
2000-02-01 |
查看 |
