CENTRAL	Cochrane ENT Trials Register	PubMed	EMBASE (Ovid)
#1 VERTIGO single term (MeSH) #2 DIZZINESS single term (MeSH) #3 vertig* OR dizziness OR paroxysmal OR BPPV #4 #1 OR #2 OR #3 #5 PHYSICAL THERAPY MODALITIES explode all trees (MeSH) #6 HEAD MOVEMENTS single term (MeSH) #7 (epley* OR semont* OR canalith* OR otolith* OR particle) AND (position* OR reposition* OR maneuver* OR manoeuvr*) #8 #5 OR #6 OR #7 #9 #4 AND #8	((Vertig* OR bppv OR paroxysmal OR dizziness) AND (Epley* OR semont* OR canalith* OR otolith* OR particle) AND (position* OR reposition* OR maneuvr* OR manoeuvr*)))	#1 “VERTIGO” [Mesh] OR vertig* [tiab] OR dizziness [tiab] OR paroxysmal [tiab] OR BPPV [tiab] #2 "Dizziness"[Mesh:NoExp] #3 “PHYSICAL THERAPY MODALITIES” [Mesh] OR “HEAD MOVEMENTS” [Mesh:NoExp] OR ((epley* [tiab] OR semont* [tiab] OR canalith* [tiab] OR otolith* [tiab] OR particle [tiab]) AND (position* [tiab] OR reposition* [tiab] OR maneuver* [tiab] OR manoeuvr* [tiab])) #4 (#1 OR #2) AND #3	1 vertigo/ or *dizziness/ 2 (vertig* or dizziness or paroxysmal or BPPV).tw. 3 exp physiotherapy 4 ((Epley* or semont* or canalith* or otolith* or particle) and (position* or reposition* or maneuvr* or manoeuvr*)).tw. 5 1 or 2 6 3 or 4 7 5 AND 6
CINAHL (EBSCO)	Web of Science	BIOSIS Previews (Web of Knowledge)	ISRCTN (mRCT)
S1 (MH "Vertigo"# OR #MM "Dizziness"#) S2 TX Vertigo* OR bppv OR paroxysmal OR dizziness S3 S1 or S2 S4 (MH "Physical Therapy+") S5 TX ((Epley* OR semont* OR canalith* OR otolith* OR particle) AND (position* OR reposition* OR maneuvr* OR manoeuvr*)) S6 S4 or S5 S7 S3 and S6	TS=((Vertigo* OR bppv OR paroxysmal OR dizziness) AND ((Epley* OR semont* OR canalith* OR otolith* OR particle) AND (position* OR reposition* OR maneuvr* OR manoeuvr*)))	TS=((Vertigo* OR bppv OR paroxysmal OR dizziness) AND ((Epley* OR semont* OR canalith* OR otolith* OR particle) AND (position* OR reposition* OR maneuvr* OR manoeuvr*)))	Epley OR semont OR canalith OR otolith particle AND (vertigo OR bppv)