title: Is smoking a risk factor for pneumonia in adults with chickenpox?
mesh_terms: D000328:Adult; D002644:Chickenpox / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D011024:Pneumonia, Viral / Q000209:etiology*; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects*