共 13 条
- [1] FOEGE WH, 1975, B WORLD HEALTH ORGAN, V52, P209
- [2] HENDERSON DA, 1974, J COMMUNICABLE DIS, V6, P155
- [3] LADNYI ID, 1974, PROBL OSOBO OPASNYKH, P116
- [4] MILLAR JD, 1969, B WORLD HEALTH ORGAN, V41, P749
- [5] SHARMA MID, 1974, J COMMUNICABLE DIS, V6, P160
- [6] 1964, WHO283 TECHN REP SER
- [7] 1966, VOZ OFITSIALNYE DOKU, P183
- [8] 1974, SBORNIK REZOLYUTSII, V1, P106
- [9] 1972, WHO493 TECHN REP SER
- [10] 1974, SBORNIK REZOLYUTSII, V1, P107