共 42 条
[1]
ALLISON AC, 1974, TRANSPORT CELLULAR L, P521
[3]
BROWNE JCM, 1953, J OBSTET GYN BRIT EM, V60, P141
[5]
BYE P, 1975, POSTGRADUATE MEDICAL, V51, P221
[7]
DIXON HG, 1963, LANCET, V2, P369
[9]
FOX H, 1964, J OBSTET GYN BR COMM, V71, P885
[10]
FOX H, 1970, Journal of Obstetrics and Gynaecology of the British Commonwealth, V77, P526