共 16 条
[1]
BADEN M, 1972, PEDIATRICS, V50, P526
[5]
COMITE F, 1976, CLIN RES, V24, pA271
[8]
FISHER DA, 1974, CONTEMP OBSTET GYNEC, V3, P7
[10]
HOLLINGSWORTH DR, 1976, CLIN RES, V24, pA60