共 20 条
- [1] ARMITAGE P, 1971, STATISTICAL METHODS, P369
- [2] BANG F, 1945, AM J TROP MED, V25, P407
- [3] BLAS BL, 1979, JPN J EXP MED, V49, P107
- [4] CABRERA B D, 1976, Southeast Asian Journal of Tropical Medicine and Public Health, V7, P186
- [6] FAROOQ M, 1966, B WORLD HEALTH ORGAN, V35, P331
- [10] MOTT KE, 1980, B WORLD HEALTH ORGAN, V58, P639