The epidemiology of multiple somatic symptoms.
Creed FH, Davies I, Jackson J, Littlewood A, Chew-Graham C, Tomenson B, Macfarlane G, Barsky A, Katon W, McBeth J.
Creed FH, et al.
J Psychosom Res. 2012 Apr;72(4):311-7. doi: 10.1016/j.jpsychores.2012.01.009. Epub 2012 Feb 2.
J Psychosom Res. 2012.
PMID: 22405227