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
Quittner AL, Alpern AN, Wolin D, McLeod L, Downey C, Nelson L, Khandelwal N. Psychometric analyses of a new GI symptom tracker for cystic fibrosis. Poster presented at the 31st Annual North American Cystic Fibrosis Conference; September 19, 2017. Indianapolis, IN. [abstract] Pediatr Pulmonol. 52(S47):453.
Quittner AL, Alpern AN, Wolin D, McLeod L, Downey C, Nelson L, Khandelwal N. Pysychometric analyses of a new GI symptom tracker for cystic fibrosis. Poster presented at the 31st Annual North American Cystic Fibrosis Conference; November 2, 2017. Indianapolis, IN. [abstract] Pediatr Pulmonol. 2017 Sep 19; 52(S47):S453. doi: 10.1002/ppul.23840
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.
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
Santanello N, Norquist J, Nelsen L, Williams V, Hill CD, Bisgaard H. Validation of a pediatric caregiver diary to measure symptoms of postacute respiratory syncytial virus bronchiolitis. Pediatr Pulmonol. 2005 Jul 1;40(1):31-8.
Enger C, Rothman KJ, Kylstra JW. Mortality rates during two years of treatment with intermittent inhaled tobramycin (TOBI) in cystic fibrosis. Pediatr Pulmonol. 1999 Sep 22;28(Suppl 19):339-40.
Fleming AD, Xia X, McDicken WN, Sutherland GR, Fenn L. Myocardial velocity gradients detected by Doppler imaging. Br J Radiol. 1994 Jul 1;67(799):679-88. doi: 10.1259/0007-1285-67-799-679