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‡ Senior Medical Student, University of Michigan. * Received for publication April 9, 1962. † Supported by Grant No. B–2873 of the Department of Health, Education and Welfare. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (4.1M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References. Images in this article Click on the image to see a larger version. Selected References These references are in PubMed. This may not be the complete list of references from this article.
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