CrossRef Text and Data Mining
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Chronic obstructive pulmonary disease (COPD) assessment test scores corresponding to modified Medical Research Council grades among COPD patients
Chang-Hoon Lee, Jinwoo Lee, Young Sik Park, Sang-Min Lee, Jae-Joon Yim, Young Whan Kim, Sung Koo Han, Chul-Gyu Yoo
Korean J Intern Med. 2015;30(5):629-637.   Published online 2015 August 27    DOI: https://doi.org/10.3904/kjim.2015.30.5.629

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