. 1967 Dec;82(12):1077–1084.
Introduction and description
Richard N Collins
, Albert R Martin
, Leo Kartman
, Robert L Brutsché
, Bruce W Hudson
, H Gordon Doran
Richard N Collins
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Albert R Martin
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Leo Kartman
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Robert L Brutsché
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Bruce W Hudson
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H Gordon Doran
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PMCID: PMC1920095 PMID: 19316516