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Radiographic Study of the Effect of Exercise on the Heart, Exercising in Bed, Ripening Dates Artificially and more

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Scientific American Magazine Vol 106 Issue 23This article was originally published with the title “Radiographic Study of the Effect of Exercise on the Heart, Exercising in Bed, Ripening Dates Artificially, and more” in Scientific American Magazine Vol. 106 No. 23 (), p. 512
doi:10.1038/scientificamerican06081912-512