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Journal Article SYMPOSIUM ON CHD PREVENTION TRIALS: DESIGN ISSUES IN TESTING LIFE STYLE INTERVENTION: RANDOMIZATION BY GROUP: A FORMAL ANALYSIS Get access JEROME CORNFIELD JEROME CORNFIELD 1George Washington University, Biostatistics Center7979 Old Georgetown Rd., Bethesda, MD 20014 Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 108, Issue 2, August 1978, Pages 100–102, https://doi.org/10.1093/oxfordjournals.aje.a112592 Published: 01 August 1978
Jerome Cornfield (1978) studied this question.