Table 1.

The Search Strategy for the PubMed Database.

Number	Items
#1	“Bell Palsy”[Mesh]
#2	“Bell Palsy”[Title/Abstract]
#3	“Palsies, Bell”[Title/Abstract]
#4	“Palsy, Bell”[Title/Abstract]
#5	“Facial Paralysis, Idiopathic”[Title/Abstract]
#6	“Facial Paralyses, Idiopathic”[Title/Abstract]
#7	“Idiopathic Facial Paralyses”[Title/Abstract]
#8	“Idiopathic Facial Paralysis”[Title/Abstract]
#9	#1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8
#10	“Randomized Controlled Trial” [Publication Type]
#11	“controlled clinical trial” [Publication Type]
#12	“randomised” [Title/Abstract]
#13	“randomized” [Title/Abstract]
#14	#11 OR # 12 OR #13
#15	Acupuncture[Mesh]
#16	“Acupuncture”[Title/Abstract]
#17	#15 OR #16
#18	#9 AND #14 AND #17