Zhao, L M [Respiratory exercise for chronic respiratory system diseases of senile patients]. [electronic resource] - Zhonghua hu li za zhi = Chinese journal of nursing Apr 1994 - 209-11 p. digital Publication Type: Journal Article ISSN: 0254-1769 Subjects--Topical Terms: AgedChronic DiseaseDementia--complicationsExerciseHumansRespiratory TherapyRespiratory Tract Diseases--complications