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| Effect of slow expiration with glottis opened in lateral posture (ELTGOL) on mucus clearance in stable patients with chronic bronchitis | 
| Martins JA, Dornelas de Andrade A, Britto RR, Lara R, Parreira VF | 
| Respiratory Care 2012 Mar;57(3):420-426 | 
| clinical trial | 
| 5/10 [Eligibility criteria: No; 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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                     Copyright release for this abstract has not been granted. 
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