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BLOCK WJ Jr, CRUMPACKER EL, DRY TJ, GAGE RP.BLOCK WJ Jr, et al. Among authors: gage rp.J Am Med Assoc. 1952 Sep 27;150(4):259-64. doi: 10.1001/jama.1952.03680040001001.J Am Med Assoc. 1952.PMID: 14955434No abstract available.