Comparison between 20 and 30 meters in walkway length affecting the 6-minute walk test in patients with chronic obstructive pulmonary disease: A randomized crossover study.
Narongkorn SaiphoklangApiwat PugongchaiKanyada LeelasittikulPublished in: PloS one (2022)
Clinicaltrials.in.th number: TCTR20200206003.
Keyphrases