共 31 条
- [21] MONATH TP, 1980, ST LOUIS ENCEPHALITI, P239
- [23] REED L. J., 1938, AMER JOUR HYG, V27, P493
- [24] Schmidt NJ, 1979, DIAGNOSTIC PROCEDURE, P65
- [25] Shope RE, 1979, DIAGNOSTIC PROCEDURE, P767
- [26] Steel RGD, 1980, PRINCIPLES PROCEDURE, P1
- [28] TIKASINGH E. S., 1966, AMER J TROP MED HYG, V15, P219
- [29] WATTS DM, 1974, AM J TROP MED HYG, V23, P694
- [30] 1976, MORBIDITY MORTALITY, V25, P116