Nag A, Martin SA, Mladsi D, Olayinka-Amao O, Purser M, Vekaria RM. The humanistic and economic burden of chronic idiopathic constipation in the USA: a systematic literature review. Clin Exp Gastroenterol. 2020 Jul 16;(13):255-65. doi: 10.2147/CEG.S239205
Boeri M, Myers K, Ervin C, Marren A, DiBonaventura M, Cappelleri JC, Hauber B, Rubin DT. Patient and physician preferences for ulcerative colitis treatments in the United States. Clin Exp Gastroenterol. 2019 Jun 11;12:263-78. doi: 10.2147/CEG.S206970
Fehnel S, Fiedorek FT, Nelson L, DiBenedetti D, Spence S, Carson RT. Development and psychometric evaluation of the Diabetic Gastroparesis Symptom Severity Diary. Clin Exp Gastroenterol. 2019 Feb 22;12:93-103. doi: 10.2147/CEG.S184016
Nelson LM, Williams VS, Fehnel SE, Carson RT, MacDougall J, Baird MJ, Tourkodimitris S, Kurtz CB, Johnston JM. Psychometric validation of patient-reported outcome measures assessing chronic constipation. Clin Exp Gastroenterol. 2014 Sep 26;7:385-94.
Wolowacz SE, Petrillo J, Doward LC, Briggs A. Measuring health-state utility values in clinical trials: can we do better? Ispor Connections. 2014 Sep;20(5):4-8.
Ervin CM, Fehnel SE, Baird MJ, Carson RT, Johnston JM, Shiff SJ, Kurtz CB, Mangel AW. Assessment of treatment response in chronic constipation clinical trials. Clin Exp Gastroenterol. 2014 Jun 3;7:191-8. doi: 10.2147/CEG.S58321. eCollection 2014
Stull DE, Houghton KF, Petrillo J. Innovative data analysis for demonstrating product value: analysis of heterogeneity in treatment response in clinical trials. Ispor Connections. 2013;19(1):5-8.
Masters E, Zlateva G, Harris NI. Real-world data for use in the real world: the pain paradigm. Ispor Connections. 2013;19(2):9-11.
Goyal RK, Patel JG, Sansgiry SS. Pharmacists perceptions of drug reimbursement rates and processing times among managed care plans. Drug benefit trends: a publication for manager and health professionals in hmos and ppos. 2010;22(4):116-20.
Wolowacz SE, Khan SB. The New National Institute of Health and Clinical Excellence (NICE) Single Technology Appraisal (STA) process: experience from the first completed appraisals. Ispor Connections. 2007;13(2):12-5.
Mansfield CA. A consistent method for calibrating contingent value survey data. South Econ J. 1998;64(3):665-81.