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河北医学  2017, Vol. 23 Issue (4): 544-546    DOI: 10.3969/j.issn.1006-6233.2017.04.005
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Efficacy and Influence of Salbutamol Combined with Ipratropium Bromide in Treatment of COPD and Borg Score
WANG Chunchang, JIN Yang, YANG Cui, et al
Beijing First Hospital of Integrated Chinese and Western Medicine, Beijing 100021, China
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