Functional somatic syndromes.
Barsky AJ, Borus JF.
Ann Intern Med. 1999 Jun 1;130(11):910-2
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This article is a classic reference about this common but poorly understood group of disorders. It is well worth studying if you are interested in this topic. The large group of illnesses that fall under the rubric of Medically Unexplained Symptoms are functional somatic syndromes.
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