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Journal Article Associations Are Not Effects Get access Diana B. Petitti Diana B. Petitti Department of Family and Community Medicine, University of California, San Francisco, School of MedicineAC-9, Box 0900, San Francisco, CA 94611 Reprint requests to Dr. Petitti at this address. Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 133, Issue 2, 15 January 1991, Pages 101–102, https://doi.org/10.1093/oxfordjournals.aje.a115848 Published: 15 January 1991
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Diana B. Petitti (1991) studied this question.
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