共 9 条
- [1] DAUER CC, 1952, PUBLIC HLTH REPORTS, V67
- [3] SANDERS E, 1963, JAMA-J AM MED ASSOC, V186, P984
- [4] 1969, EVALUATION SALMONELL, P67
- [5] 1963, CTR DISEASE CONTROL
- [6] 1975, MORBIDITY MORTALITY, V24, P438
- [7] 1976, MORBIDITY MORTALITY, V25, P333
- [8] 1965, PHS1262 PUBL
- [9] 1976, MORBIDITY MORTALITY, V25, P34