共 23 条
[1]
AYMARDHENRY M, 1973, B WORLD HEALTH ORGAN, V48, P199
[3]
CHU CM, 1950, B WORLD HEALTH ORGAN, V3, P197
[4]
FRANCIS T, 1947, AM J PUBLIC HEALTH, V37, P1013, DOI 10.2105/AJPH.37.8.1013
[5]
HAAHEIM L R, 1980, NIPH (National Institute of Public Health) Annals (Oslo), V3, P49
[6]
HATCH L A, 1957, Mon Bull Minist Health Public Health Lab Serv, V16, P138
[7]
HOSKINS TW, 1979, LANCET, V1, P381
[8]
ISAACS A, 1952, Bull World Health Organ, V6, P287
[9]
ISAACS A, 1951, Br Med J, V2, P921