Sata, Makoto [Chronic obstructive pulmonary disease (COPD)]. [electronic resource] - Nihon rinsho. Japanese journal of clinical medicine Mar 2007 - 559-62 p. digital Publication Type: Journal Article; Review ISSN: 0047-1852 Subjects--Topical Terms: HumansPulmonary Disease, Chronic Obstructive--complicationsRespiratory Tract Infections--etiology