Cigarette smoking and acute non-influenzal respiratory disease in military cadets.
D000208:Acute Disease; D000293:Adolescent; D004751:Enteritis / Q000453:epidemiology; D006760:Hospitalization; D006801:Humans; D008297:Male; D010044:Outpatient Clinics, Hospital; D012140:Respiratory Tract Diseases / Q000453:epidemiology* / Q000209:etiology; D012907:Smoking / Q000150:complications* / Q000453:epidemiology; D013022:South Carolina; D013223:Statistics as Topic; D014947:Wounds and Injuries / Q000453:epidemiology