健身气功八段锦对慢性阻塞性肺疾病稳定期患者6min步行距离改善的临床研究
건신기공팔단금대만성조새성폐질병은정기환자6min보행거리개선적림상연구
Clinical study on Health-qi-gong-ba-duan-jin for the improvement of the 6min of patients with chronic obstructive pulmonary disease in stable period
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