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  • ARTICLE May 16, 1977

    JAMA. 1977; 237(20):2173-2179. doi: 10.1001/jama.1977.03270470009001

  • ARTICLE April 18, 1990

    Steven N. Blair, PED; Harold W. Kohl III, MSPH; Ralph S. Paffenbarger Jr, MD, DrPH

    JAMA. 1990; 263(15):2047-2048. doi: 10.1001/jama.1990.03440150051015