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Exertional oxygen of limited benefit in patients with chronic obstructive pulmonary disease and mild hypoxemia
McDonald CF, Blyth CM, Lazarus MD, Marschner I, Barter CE
American Journal of Respiratory and Critical Care Medicine 1995 Nov;152(5 Pt 1):1616-1619
clinical trial
5/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: Yes; Blind therapists: Yes; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: No. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

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