共 17 条
[2]
ARMITAGE P, 1971, STATISTICAL METHODS
[3]
BERTRAND JT, 1989, KNOWLEDGE AIDS SEXUA
[4]
CARME B, 1988, 4 INT C AIDS STOCKH
[5]
EN N, 1988, KNOWLEDGE ATTITUDES
[8]
Lesetedi LT, 1989, BOTSWANA FAMILY HLTH
[9]
LESHABARI MT, 1988, 4 INT C AIDS STOCKH
[10]
MHALU FS, 1988, AIDS ASS CANCER AFRI