THE PLANNING OF OBSERVATIONAL STUDIES OF HUMAN-POPULATIONS

[1] A SCRUTINY OF THE BRITISH POTATO CROP [J]. OPERATIONAL RESEARCH QUARTERLY, 1957, 8 (01) : 6 - 21

[2] Chapin FS, 1947, EXPT DESIGNS SOCIOLO

[3] COCHRAN WG, 1952, RES PUBL HLTH, P255

[4] COCHRAN WG, 1954, STATISTICAL PROBLEMS, P246

[5] CORNFIELD J, 1951, J NATL CANCER I, V11, P1269

[6] CORNFIELD J, 1959, J NATL CANCER I, V22, P173

[7] A STUDY OF THE AETIOLOGY OF CARCINOMA OF THE LUNG [J]. BMJ-BRITISH MEDICAL JOURNAL, 1952, 2 (4797): : 1271 - 1286

[8] DORN HF, 1953, AM J PUBLIC HEALTH, V43, P677

[9] FALES WT, 1951, AM J PUBLIC HEALTH, V41, P91

[10] FESTINGER L, 1953, RES METHODS BEHAVIOR

[1] A SCRUTINY OF THE BRITISH POTATO CROP [J]. OPERATIONAL RESEARCH QUARTERLY, 1957, 8 (01) : 6 - 21

[2] Chapin FS, 1947, EXPT DESIGNS SOCIOLO

[3] COCHRAN WG, 1952, RES PUBL HLTH, P255

[4] COCHRAN WG, 1954, STATISTICAL PROBLEMS, P246

[5] CORNFIELD J, 1951, J NATL CANCER I, V11, P1269

[6] CORNFIELD J, 1959, J NATL CANCER I, V22, P173

[7] A STUDY OF THE AETIOLOGY OF CARCINOMA OF THE LUNG [J]. BMJ-BRITISH MEDICAL JOURNAL, 1952, 2 (4797): : 1271 - 1286

[8] DORN HF, 1953, AM J PUBLIC HEALTH, V43, P677

[9] FALES WT, 1951, AM J PUBLIC HEALTH, V41, P91

[10] FESTINGER L, 1953, RES METHODS BEHAVIOR