[文献资料]参考文献

2 ﹒ Queisser L A，Stolez G，Wiesel A，et al ． Malfor mationin newborn：results based on30940infants and fetu ses fromthe Mainz congenital birth defect monitoring system（1990‐.5 ﹒ Ott WJ ． Reevaluation of the relationship bet ween amniotic fluid volume and per ......