AUBURN UNIVERSITY

Maximum _____ 3. 3 months- to less than 6 months 4. 6 months to less than 1 yr 5. 1 yr to less than 5 yr 6. 6 yr to less than 10 yr 7 11 yr to less than 15 yr 8 16 yr to less than 20 yr 9 20 yrs and above 2.4- predisposition- New Old 1. smoking 2. exposure to allergens 2.5- clinical types of chronic bronchitis 1. simple 2. mucopurulent 2.6 ... ................
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