A Systematic Review and Meta-Analysis of Acupuncture Treatment for Oral Ulcer

Table 1

The detailed search strategy in PUBMED as an example.

Numbers	Search terms
^#1	Recurrent aphthous stomatitis
^#2	Canker sore
^#3	Recurrent aphthous ulcer
^#4	Recurrent oral ulcer
^#5	Oral ulcer
^#6	Mouth ulcer
^#7	Aphthous stomatitides
^#8	Aphthous stomatitis
^#9	Aphthous ulcer
^#10	Aphthae
^#11	Recurrent stomatocace
^#12	OR/^#1-^#11
^#13	Meridian
^#14	Acupressure
^#15	Warm needling
^#16	Moxa needle
^#17	Auricular acupuncture
^#18	Auricular needle
^#19	Acupuncture
^#20	Acupuncture therapy
^#21	Electroacupuncture
^#22	Electroacupuncture therapy
^#23	Manual acupuncture
^#24	Dry needle
^#25	Moxibustion
^#26	Acupoint
^#27	Ear acupuncture
^#28	Abdom acupuncture
^#29	Embed thread therapy
^#30	Catgut embedding
^#31	OR/^#13-^#30
^#32	Randomized controlled trial
^#33	Controlled clinical trial
^#34	Randomized
^#35	Randomized
^#36	Placebo
^#37	Randomly
^#38	Trial
^#39	Groups
^#40	OR/^#32-^#39
^#41	^#12 AND ^#31 AND ^#40