Pérez Y López, N Frequency of motor alterations detected through manometry in patients with esophageal symptoms and scleroderma. [electronic resource] - Revista de gastroenterologia de Mexico - 193-195 p. digital Publication Type: Journal Article ISSN: 0375-0906 Standard No.: 10.1016/j.rgmx.2016.10.004 doi Subjects--Topical Terms: AdolescentAdultAgedDisease ProgressionEsophageal Motility Disorders--complicationsEsophageal Sphincter, Lower--physiopathologyFemaleHumansMaleManometryMiddle AgedScleroderma, Systemic--complicationsYoung Adult