Peyman H, Esterberg E, Obermuller D, Bartsch R. Bone evaluation study-2: update on the epidemiology of osteoporosis in Germany. Dtsch Arztebl Int. 2024 Apr 9;19(1):26. doi: 10.1007/s11657-024-01380-9
Wilburn J, Twiss J, Kemp K, McKenna SP. A qualitative study of the impact of Crohn's disease from a patient's perspective. Frontline Gastroenterol. 2017;8:68-73. doi: 10.1136/flgastro-2015-100678
Doward LC, Wilburn J, McKenna SP, Leicester R, Epstein O, Hedley V, Korala S, Twiss J, Jones D, Geraint M. Development and validation of the Bowel Cleansing Impact Review (BOCLIR). Frontline Gastroenterol. 2013 Feb;4(2):112-9. doi: 10.1136/flgastro-2012-100278
Niaura R, Britt DM, Shadel WG, Goldstein M, Abrams D, Brown R. Symptoms of depression and survival experience among three samples of smokers trying to quit. Psychol Addict Behav. 2001 Mar 1;15(1):13-7.