title: Upper gastrointestinal functions in progressive systemic sclerosis (PSS).
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003680:Deglutition Disorders / Q000209:etiology; D004064:Digestive System / Q000503:physiopathology*; D004947:Esophagus / Q000000981:diagnostic imaging / Q000503:physiopathology*; D005260:Female; D005769:Gastrointestinal Motility; D006801:Humans; D007583:Jejunum / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011859:Radiography; D011928:Raynaud Disease / Q000209:etiology; D012595:Scleroderma, Systemic / Q000000981:diagnostic imaging / Q000503:physiopathology*