共 9 条
[4]
HOLME T, 1981, ACUTE ENTERIC INFECT
[5]
KHAN MU, 1982, TROP GEOGR MED, V34, P19
[7]
OBERLE MW, 1980, INT J EPIDEMIOLOGY, V4, P341
[8]
RUZICKA LT, 1975, MATLAB VITAL EVENTS, V3, P7