Psychometric validation of symptom severity measures in irritable bowel syndrome with constipation
Valerie Williams(RTI International), J. Martin Johnston(Ironwood Pharmaceuticals (United States)), Richard T. Carson(University of California, San Diego), J MacDougall(Ironwood Pharmaceuticals (United States)), Lauren Nelson(RTI Health Solutions), Caroline B. Kurtz(Ironwood Pharmaceuticals (United States)), Sheri Fehnel(RTI Health Solutions), M. J. Baird(Ironwood Pharmaceuticals (United States)), Stavros Tourkodimitris(Forest Research Institute)
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