Body mass index and chronic unexplained gastrointestinal symptoms: an adult endoscopic population based study
P Aro, J Ronkainen, N J Talley, T Storskrubb, E Bolling-Sternevald, and L Agréus

Competing interest: EB-S is employed by AstraZeneca, R&D, Sweden. NJT has received speaker fees, research fees, and consulting fees from AstraZeneca.