title: [Electrocardiographic changes in progressive systemic sclerosis and their relationship with various clinical aspects of the disease].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography; D012595:Scleroderma, Systemic / Q000503:physiopathology*
vernacular_title: Alterazioni elettrocardiografiche nella sclerosi sistemica progressiva e loro rapporti con i vari quadri clinici della malattia.