Limited evidence of moderation of the association between gastrointestinal symptoms and prospective healthcare utilisation by quality of life

- McNaughton, David T., Andreasson, Anna, Ljótsson, Brjánn, Beath, Alissa P., Hush, Julia M., Ljunggren, Gunnar, Schmidt, Peter T., Talley, Nicholas J., Agréus, Lars, Jones, Michael P.

Effects of psychology and extragastrointestinal symptoms on health care use by subjects with and without irritable bowel syndrome

- McNaughton, David T., Andreasson, Anna, Ljótsson, Brjánn, Beath, Alissa P., Hush, Julia M., Talley, Nicholas J., Ljunggren, Gunnar, Schmidt, Peter T., Agréus, Lars, Jones, Michael P.