The original Medical Research Council (MRC) dyspnoea scale was developed by the British MRC in the 1950s, and it was first formally published in 1961 in a study on chronic bronchitis.1 It was designed ...
Socioeconomic factors, including education and employment status, along with clinical parameters, such as modified Medical Research Council (mMRC) dyspnea scale and Charlson Comorbidity Index (CCI) ...
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