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17921793, doi:10.1136/bmj.285.6357.1792, JSTOR 29509089, PMC 1500297, PMID 6816370 Provincial Medical Journal and Retrospect of the Medical Sciences , 7 (174): 324, JSTOR 25492616 "Constipation of the Bowels during twenty-one days, successfully treated.", The London Medical and Physical Journal , vol