Improving teaching Valsalva's maneuver.
Simmons
F B
FB
D000328:Adult; D002648:Child; D004432:Ear, Middle / Q000502:physiology*; D006801:Humans; D007327:Insufflation; D010353:Patient Education as Topic; D013663:Teaching / Q000379:methods*; D014636:Valsalva Maneuver