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  • Original Contributions March 07, 1964

    Robert C. Griggs, MD; Irving Sunshine, PhD; Vaun A. Newill, MD; Burritt W. Newton, MD; Stuart Buchanan, MD; Cleo A. Rasch, MD

    JAMA. 1964; 187(10):703-707. doi: 10.1001/jama.1964.03060230031008