Ear infections and the Marlboro Man.
Smith
J M
JM
D016235:American Speech-Language-Hearing Association; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010033:Otitis Media / Q000209:etiology*; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*; D014481:United States
D014028:Tobacco Smoke Pollution