| All trials used validated dyspepsia questionnaires and excluded patients with confirmed peptic ulcer disease or oesophagitis before enrolment. |
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| Patients with predominant epigastric pain without peptic ulcer disease or oesophagitis have functional dyspepsia. |
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| The commonest cause of dysphagia in patients with AIDS is candidal oesophagitis. |
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| Oesophagitis may lead to the production and release of inflammatory mediators, which could secondarily alter smooth muscle function. |
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