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The causes of chronic and subacute cough
| PNDS | AS | GERD | Others | Undiagnosed |
|---|---|---|---|---|
| 34.2% | 44.5% | 10.1% | 8.4% | 10.1% |
AS, asthma syndromes; GERD, gastroesophageal reflux disease; PNDS; postnasal drip syndrome. 26 patients with 2 causes, 6 patients with 3 causes.
