共 12 条
[1]
[Anonymous], 1980, Bull World Health Organ, V58, P629
[2]
ARMITAGE P, 1971, STATISTICAL METHODS, P369
[4]
JORDAN P, 1975, B WORLD HEALTH ORGAN, V52, P9
[7]
RUBIO RA, 1982, J PHILIPP MED ASSOC, V58, P90
[8]
SANTOS AT, 1979, B WORLD HEALTH ORGAN, V57, P793
[9]
YOGORE M G JR, 1979, Southeast Asian Journal of Tropical Medicine and Public Health, V10, P23
[10]
YOGORE M G JR, 1978, Southeast Asian Journal of Tropical Medicine and Public Health, V9, P344