共 35 条
[1]
BROWNE FJ, 1958, LANCET, V1, P115
[2]
BROWNE JCM, 1953, J OBSTET GYN BRIT EM, V60, P141
[3]
BROWNE JCM, 1957, P ROY SOC MED, V50, P787
[4]
CHESLEY L, 1960, BRIT MED J, V2, P144
[5]
CHUN D, 1964, J OBSTET GYN BR COMM, V71, P180
[6]
CRAWFORD JM, 1959, J OBSTET GYNAECOL, V66, P885
[7]
DIXON HG, 1958, J OBSTET GYNAECOL, V65, P803
[8]
GEMMELL AA, 1955, J OBSTET GYNAECOL, V62, P195
[10]
HIBBARD BM, 1966, OBSTET GYNECOL, V27, P155