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Journal Article CONFOUNDING AND EFFECT-MODIFICATION Get access OLLI MIETTINEN OLLI MIETTINEN 1Department of Epidemiology, School of Public Health, Harvard UniversityBoston, Mass. 02115 Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 100, Issue 5, November 1974, Pages 350–353, https://doi.org/10.1093/oxfordjournals.aje.a112044 Published: 01 November 1974
Olli S. Miettinen (Fri,) studied this question.