bibliographic entry 9391815 [be/9391815]
https://w3id.org/oc/corpus/be/9391815
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Frank L, Kleinman L, Farup C, Taylor L, Miner PJ. Psychometric validation of a constipation symptom assessment questionnaire. Scand J Gastroenterol 1999; 34: 870â7. PMID: 10522604
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