共 28 条
- [1] [Anonymous], 1950, SURVEYS POLLS SAMPLE
- [2] CHAPIN FS, 1947, DESIGNS SOCIOLOGICAL
- [3] COCHRAN WG, 1953, AM J PUBLIC HEALTH, V43, P684
- [4] COCHRAN WG, 1951, AM J PUBLIC HEALTH, V41, P1
- [5] Cochran WilliamGemmell., 1963, PREIS S BIOM J, V2nd ed., DOI [DOI 10.1002/BIMJ.19650070312, 10.1002/bimj.19650070312]
- [6] SMOKING AND CARCINOMA OF THE LUNG - PRELIMINARY REPORT [J]. BRITISH MEDICAL JOURNAL, 1950, 2 (4682) : 739 - 748
- [7] DORN HF, 1951, AJPH, V41, P271
- [8] FESTINGER L, 1954, RESEARCH METHODS BEH
- [10] GREENBERG BG, 1953, AM J PUBLIC HLTH, V43, P1147