A 21-year-old woman comes to the university health clinic ...

four to six weeks) antibiotic usage more than twice a year 30 . Intermittent productive cough with acute infection requiring a course . of antibiotics at least twice a year 10 . Or rate according to pulmonary impairment as for chronic bronchitis (DC 6600). Note: An incapacitating episode is one that requires bedrest and treatment by a physician. ................
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