共 10 条
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- [2] Douglas Jr R, 1975, INFLUENZA VIRUSES IN, P395
- [5] MASUREL N, 1976, LANCET, V2, P244
- [7] PALMER DF, 1975, ADV LABORATORY TECHN, P13
- [8] 1976, INFLUENZA WEEKLY EPI, V51, P123
- [9] 1976, MORBIDITY MORTALITY, V25, P47
- [10] 1976, MORBIDITY MORTALITY, V25, P55