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Kanner RE, Connett JE, Williams DE, et al: Effects of randomized assignment to a smoking cessation intervention and changes in smoking habits on respiratory symptoms in smokers with early chronic obstructive pulmonary disease: the Lung Health Study. nbsp;follow-up, the Nurses Health Study, the Health Professional Studies, the Physicians Health Study, the Atherosclerosis Risk in Communities Study, the Coronary Artery Risk Development in Young Adults, or the National Institutes of Health-National Heart, Lung, and Blood Institute-sponsored Lung Health Study, to name a few U. Anthonisen of the University of Manitoba in Winnipeg and his colleagues at 10 clinical centers in the United States and Canada began the Lung Health Study by recruiting 5,887 smokers, age 35 to 60, with mild airway obstruction but no noticeable breathing trouble. |
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