title: The 'dark side' of chronic obstructive pulmonary disease.
authors.affiliation: Department of Internal Medicine and Endocrinology, 'Madonna delle Grazie' Clinic, Velletri, Italy.
authors.forename: Americo
authors.initials: A
authors.lastname: Testa
authors.forename: Rosangela
authors.initials: R
authors.lastname: Giannuzzi
mesh_terms: D001823:Body Composition; D003964:Diaphragm / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000000981:diagnostic imaging*; D014463:Ultrasonography