Database: PsychINFO
1asthma/
2asthma$.ti,ab.
31 or 2
4yoga/
5yoga.ti,ab.
6yogic.ti,ab.
7Buteyko.ti,ab.
8Pranayama.ti,ab.
9Papworth.ti,ab.
10“inspiratory muscle training”.ti,ab.
11“expiratory muscle training”.ti,ab.
12((breath$ or respirat$) adj5 (physiotherap$ or physical therap$)).ti,ab.
13((breath$ or respirat$) adj5 (paced or pursed)).ti,ab.
14((breath$ or respirat$) adj5 (exercise$ or training or retraining or pattern$ or technique$)).ti,ab.
15(diaphragm* and (exercise$ or training or retraining or pattern$ or technique$)).ti,ab.
16diaphragmatic breath$.ti,ab.
17biofeedback/ or biofeedback training/
18biofeedback.ti,ab.
19or/4–18
203 and 19
21limit 20 to yr=“1990 -Current”
22limit 21 to english language

From: Appendix B, Search Strategies

Cover of Breathing Exercises and/or Retraining Techniques in the Treatment of Asthma: Comparative Effectiveness
Breathing Exercises and/or Retraining Techniques in the Treatment of Asthma: Comparative Effectiveness [Internet].
Comparative Effectiveness Reviews, No. 71.
O’Connor E, Patnode CD, Burda BU, et al.
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