title: Puzzling functional syndromes.
authors.forename: W C
authors.initials: WC
authors.lastname: ALVAREZ
mesh_terms: D000005:Abdomen; D004194:Disease; D005767:Gastrointestinal Diseases; D006801:Humans; D013577:Syndrome; D013896:Thoracic Diseases; D013909:Thorax
keywords: ABDOMEN/diseases; THORAX/diseases