共 14 条
[1]
BRADSHAW J, 1980, POPULATION TRENDS, V19, P13
[2]
CZEIZEL A, 1983, BRIT MED J, V287, P428
[6]
KALLEN B, 1968, PEDIATRICS, V41, P765
[7]
MACMAHON B, 1971, LANCET, V1, P31
[8]
MATHERS CD, 1983, COMMUNITY HEALTH ST, V7, P60
[9]
NEVIN NC, 1981, LANCET, V2, P1290
[10]
RICHARDS ID, 1972, BRIT J PREV SOC MED, V26, P89