title: Radionuclide oesophageal transit time in progressive systemic sclerosis.
mesh_terms: D000328:Adult; D003680:Deglutition Disorders / Q000000981:diagnostic imaging*; D004947:Esophagus / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D012595:Scleroderma, Systemic / Q000000981:diagnostic imaging*; D013670:Sodium Pertechnetate Tc 99m; D013667:Technetium
chemical_list: D013667:Technetium; D013670:Sodium Pertechnetate Tc 99m