1. Somatoform disorders and medically unexplained symptoms in primary care;Haller;Dtsch Arztebl Int,2015
2. The epidemiology of chronic syndromes that are frequently unexplained: do they have common associated factors?;Aggarwal;Int J Epidemiol,2006
3. Medically unexplained symptoms; an epidemiological study in seven specialities;Nimnuan;J Psychosom Res,2001
4. Economics of medically unexplained Symptoms: a systematic review of the literature;Konnopka;Psychother Psychosom,2012
5. The cost of somatisation among the working-age population in England for the year 2008–2009;Bermingham;Ment Health Fam Med,2010