共 59 条
- [1] ACHARYA A, 2001, PRODUCTION GLOBAL PU
- [2] Andrus JK, 2001, AM J PUBLIC HEALTH, V91, P146, DOI 10.2105/AJPH.91.1.146
- [3] [Anonymous], 2001, Wkly Epidemiol Rec, V76, P95
- [4] [Anonymous], 2000, LANCET, V356, P521
- [5] [Anonymous], 1982, Rev Infect Dis, V4, P912
- [6] [Anonymous], 1990, WORLD DECL SURV PROT
- [7] [Anonymous], 7 M TECHN CONS GROUP
- [8] [Anonymous], 2001, MACR HLTH INV HLTH E
- [9] [Anonymous], 1999, PULSE POLIO IMMUNIZA
- [10] *ASS HEADS STAT GO, 1996, YAOUND DECL POL ER A