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(A) Postprandial motility tracings before treatment (patient 1): a reduction in amplitude of gastrointestinal contractions can be seen. (B) Postprandial motility tracings after one year of treatment (patient 1): increased antral and intestinal motility can be seen. A, antrum (1 to 4, proximal to distal); P, pylorus; D2, descending duodenum; D4, distal duodenum; J, jejunum.
