共 18 条
[1]
BEAL SM, 1978, LANCET, V1, P1257
[2]
BECKWITH JB, 1970, SUDDEN INFANT DEATH, P17
[4]
COLDITZ PB, 1982, AUST PAEDIATR J, V18, P53
[5]
DEACON EL, 1979, AUST PAEDIATR J, V15, P248
[8]
ENGVALL E, 1972, J IMMUNOL, V109, P129
[9]
FEDRICK J, 1973, BRIT J PREV SOC MED, V27, P217