bibliographic entry 9391812 [be/9391812]
https://w3id.org/oc/corpus/be/9391812
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Camilleri M, Rothman M, Ho KF, Etropolski M. Validation of a bowel function diary for assessing opioidâinduced constipation. Am J Gastroenterol 2011; 106: 497â506. PMID: 21063394
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