共 16 条
[1]
BURKI SJ, 1977, 1 WORLD BANK BAS NEE
[2]
Dixon WJ, 1969, INTRO STATISTICAL AN, P237
[3]
FEACHEM R, 1978, WATER HLTH DEV INTER, P139
[4]
FEACHEM RG, 1984, B WORLD HEALTH ORGAN, V62, P467
[5]
GELDREICH EE, 1975, EPA670975006 PUBL
[7]
KHAIRY AEM, 1982, J HYGIENE, V88, P63
[8]
LEEUWENBURG J, 1978, TROP GEOGR MED, V30, P383
[9]
Mata LJ, 1978, CHILDREN SANTA MARIA
[10]
RAHAMAN MM, 1979, LANCET, V2, P809