Template:Cite pmid/9269805
From Self-sufficiency
Koch, A; Voderholzer, WA; Klauser, AG; Müller-Lissner, S (1997). "Symptoms in chronic constipation". Diseases of the colon and rectum. 40 (8): 902–6. doi:10.1007/BF02051196. PMID 9269805.
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