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https://doi.org/10.1161/01.CIR.20.6.1143
Circulation. 1959;20:1143-1151
Originally published December 1, 1959Jump to

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- ABSTRACTSCirculation. 1959;20:1143-1151, originally published December 1, 1959https://doi.org/10.1161/01.CIR.20.6.1143
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