共 11 条
[1]
BASSELL GM, 1980, OBSTET GYNECOL, V56, P39
[2]
BOEHM FH, 1975, OBSTET GYNECOL, V45, P579
[3]
Bradfield A, 1961, AUST NZ J OBSTET GYN, V1, P106, DOI DOI 10.1111/J.1479-828X.1961.TB00089.X
[4]
BRADY JP, 1962, AM J OBSTET GYNECOL, V84, P1
[5]
HON EH, 1959, AM J OBSTET GYNECOL, V77, P1084
[6]
LUBCHENCO LO, 1966, PEDIATRICS, V37, P403
[9]
WOOD C, 1973, J OBSTET GYN BR COMM, V80, P295
[10]
WOOD C, 1973, J OBSTET GYN BR COMM, V80, P289