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September 18, 1981
Kaposi's Sarcoma and Pneumocystis Pneumonia in Homosexual Men: A Case-Control Study, Document explains the background, the hypothesis, rationale, design and investigation with attached forms and log book for case-control study.
Bill Darrow Collection
“ CASE-CONTROL STUDY ,” The Global Health Chronicles, accessed August 18, 2019, https://globalhealthchronicles.org/items/show/7989.