Template:Cite doi/10.1111.2Fj.1572-0241.2001.05259.x
From Self-sufficiency
Pare, P.; Ferrazzi, S.; Thompson, W. G.; Irvine, E. J.; Rance, L. (2001). "An epidemiological survey of constipation in Canada: definitions, rates, demographics, and predictors of health care seeking". The American Journal of Gastroenterology. 96 (11): 3130. doi:10.1111/j.1572-0241.2001.05259.x. PMID 11721760.
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