Database: EMBASE <1988 to 2011 July 28>
1asthma/ or allergic asthma/ or asthmatic state/ or exercise induced asthma/ or extrinsic asthma/ or intrinsic asthma/ or mild intermittent asthma/ or mild persistent asthma/ or moderate persistent asthma/ or nocturnal asthma/ or occupational asthma/ or severe persistent asthma/ (112140)
2asthma$.ti,ab.
31 or 2
4breathing exercise/
5YOGA/
6yoga.ti,ab.
7yogic.ti,ab.
8Buteyko.ti,ab.
9Pranayama.ti,ab.
10Papworth.ti,ab.
11“inspiratory muscle training”.ti,ab.
12“expiratory muscle training”.ti,ab.
13((breath$ or respirat$) adj5 (physiotherap$ or physical therap$)).ti,ab.
14((breath$ or respirat$) adj5 (paced or pursed)).ti,ab.
15((breath$ or respirat$) adj5 (exercise$ or training or retraining or pattern$ or technique$)).ti,ab.
16(diaphragm* and (exercise$ or training or retraining or pattern$ or technique$)).ti,ab.
17diaphragmatic breath$.ti,ab.
18feedback system/
19biofeedback.ti,ab.
20or/4–19
213 and 20
22limit 21 to yr=“1990 -Current”
23limit 22 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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