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  • Letters January 11, 2006

    Adam T. Wertz, BS; Joseph M. Ronda, MS; Charles A. Czeisler, PhD, MD; Kenneth P. Wright, PhD

    JAMA. 2006; 295(2):159-164. doi: 10.1001/jama.295.2.163

  • ARTICLE July 04, 1953

    L. Clark Hepp, M.D.

    JAMA. 1953; 152(10):894-897. doi: 10.1001/jama.1953.03690100012004

  • Comment & Response October 09, 2013

    Elizabeth Barker, MA, MSc; Crawford Hollingworth, BA

    JAMA. 2013; 310(14):1504-1504. doi: 10.1001/jama.2013.277308