共 12 条
- [1] ANDERSON CE, UNPUB
- [3] BENGTSON IA, 1945, NAT I HLTH B, V183, P25
- [4] COX Herald R., 1938, Public Health Reports, V53, P2241, DOI 10.2307/4582741
- [5] FOX JP, UNPUB INCORPORATION
- [8] HAMILTON HL, 1945, AM J TROP MED, V25, P391
- [9] HENDERSON RG, 1945, NAT I HLTH B, V183, P41
- [10] REED L. J., 1938, AMER JOUR HYG, V27, P493