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Journal of Clinical Epidemiology|January 1, 1989
A controlled study of ischemic stroke risk in migraine patientsJ B Henrich, R I HorwitzJournal of Chronic Diseases|January 1, 1986
Observational studies of cause-effect relationships: an analysis of methodologic problems as illustrated by the conflicting data for the role of oral contraceptives in the etiology of rheumatoid arthritisJ M Esdaile, R I HorwitzArchives of Internal Medicine|June 1, 1989
Evidence against the association between alcohol use and ischemic stroke riskJ B Henrich, R I HorwitzJournal of General Internal Medicine|May 1, 1989
The contributions of individual factors to thromboembolic strokeJ B Henrich, R I HorwitzBiological Psychiatry|April 22, 2000
Placebos, active control groups, and the unpredictability paradoxK M Mattocks, R I HorwitzArchives of Internal Medicine|August 23, 1993
Adherence to treatment and health outcomesR I Horwitz, S M HorwitzJournal of Clinical Epidemiology|February 1, 1995
Evaluating the efficacy of cancer screening: clinical distinctions and case-control studiesT M Gill, R I HorwitzArchives of Internal Medicine|November 11, 2009
Percentage of US emergency department patients seen within the recommended triage time: 1997 to 2006Leora I Horwitz, Elizabeth H BradleyInternational Journal of Epidemiology|September 1, 1985
Problems and proposals for interview data in epidemiological researchR I Horwitz, E C YuThe New England Journal of Medicine|December 23, 1982
Double standards, scientific methods, and epidemiologic researchA R Feinstein, R I HorwitzPageof 45