片语
premature labor[妇产] 早产
incidence of premature delivery早产率
bill for premature delivery提前交付的票据
premature delivery rat早产大鼠
predicting premature delivery早产预测
iatrogenic premature delivery医源性早产
threatened premature delivery先兆早产
premature labour早产
drugs against premature delivery抗早产药
intervening premature delivery干预性早产
premature delivery prevent早产预防
premature birth[妇产] 早产