共 11 条
[1]
BAIRD D, 1976, BRIT MED J, V1, P896
[2]
BLACOW M, 1975, LANCET, V1, P217
[5]
FARR V, 1966, DEV MED CHILD NEUROL, V8, P657
[6]
LEESON J, 1977, BRIT MED J, V1, P707
[8]
OHERLIHY C, 1975, LANCET, V2, P126
[9]
PEARSON JF, 1975, 3RD RCOG STUD GROUP, P199
[10]
TURNBULL ALEXANDER C, 1968, J OBSTET GYNAECOL BRIT COMMONW, V75, P24