共 17 条
[2]
BUCHER HU, 1985, HELV PAEDIATR ACTA, V40, P153
[3]
BULPITT CJ, 1983, RANDOMISED CONTROLLE
[4]
CLARK CJ, 1966, LANCET, V2, P1357
[6]
ASSESSING METHODS - CONFIDENCE-INTERVALS
[J].
BRITISH MEDICAL JOURNAL,
1981, 283 (6292)
:660-662
[7]
HRBEK A, 1978, DEV MED CHILD NEUROL, V20, P619
[8]
HURT CE, 1985, PEDIATR RES, V19, P174
[9]
Koppe J G, 1979, Birth Defects Orig Artic Ser, V15, P437