Recently, several reports showed an increasing trend of GERD in Asian countries in recent years ( Ho et al 2005 ; Chen et al 2005 ; Lim et al 2005 ).
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High prevalence of gastroesophageal reflux symptoms in patients with both acute and nonacute cough.
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The sentences
The difference in prevalence of GERD between acute and nonacute cough groups did not reach statistical significance.