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Cycle ergometer and inspiratory muscle training in chronic obstructive pulmonary disease
Larson JL, Covey MK, Wirtz SE, Berry JK, Alex CG, Langbein WE, Edwards L
American Journal of Respiratory and Critical Care Medicine 1999 Aug;160(2):500-507
clinical trial
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

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