共 11 条
[1]
Chung C S, 1975, Birth Defects Orig Artic Ser, V11, P1
[3]
Fleiss JL., 1981, STAT METHODS RATES P, V2
[5]
HARLAP S, 1975, LANCET, V1, P682
[8]
MEHES K, 1973, HELV PAEDIATR ACTA, V28, P477
[9]
PEDERSEN LM, 1964, LANCET, V1, P1124
[10]
VANLANG QN, 1984, J CRAN GENET DEV BIO, V4, P115