1. Clinical biostatistics: XLII. Architecture of cross-sectional research (Part I);Feinstein;Clin Pharmacol Ther,1978
2. Clinical biostatistics: XX. The epidemiologic trohoc, the ablative risk ratio, and ‘retrospective’ research;Feinstein;Clin Pharmacol Ther,1973
3. Post trohoc ergo propter trohoc: problems, conflicting results, and criteria for scientific standards in retrospective ‘case control’ research;Horwitz;Clin Res,1976
4. Benign breast disease and oral contraceptive use;Janerich;J Amer Med Assn,1977
5. Limitations of the application of fourfold tables to hospital data;Berkson;Biometrics Bull,1946