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What is Follow ing is/ are the causes of chronic cough with noncontributory chest radiograph- and explain in detail?
Ans. is 'd' i.e., All the above o 90% of patients who have chronic cough and a normal or noncontributory chest radiograph belong to one of the following causes:Use of an angiotensin-converting enzyme inhibitor;Post-nasal drainage;Gastroesophageal reflux; andAsthma.