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Table 1 Search strategy

From: IL-13 -1112 polymorphism and periodontitis susceptibility: a meta-analysis

PubMed

Embase

Cochrane Library

CNKI

WanFang

Search (((“Periodontitis”[Mesh]) OR (((Periodontitides[Title/Abstract]) OR Pericementitis[Title/Abstract]) OR Pericementitides[Title/Abstract]))) AND ((“Interleukin-13”[Mesh]) OR ((((IL-13[Title/Abstract]) OR Interleukin 13[Title/Abstract]) OR IL 13[Title/Abstract]) OR IL13[Title/Abstract]))

‘periodontitis’/exp. OR ‘periodontitides’:ti,ab OR ‘pericementitis’:ti,ab OR ‘pericementitides’:ti,ab AND (‘interleukin 13’/exp. OR ‘il-13’:ti,ab OR ‘interleukin-13’:ti,ab OR ‘il 13’:ti,ab OR ‘il13’:ti,ab)

#1:MeSH descriptor: [Periodontitis] explode all trees

#2:Periodontitides:ti,ab,kw or Pericementitis:ti,ab,kw or Pericementitides:ti,ab,kw (Word variations have been searched)

#3: #1 or #2

#4:MeSH descriptor: [Interleukin-13] explode all trees

#5: IL-13:ti,ab,kw or Interleukin 13:ti,ab,kw or IL 13:ti,ab,kw or IL13:ti,ab,kw (Word variations have been searched)

#6: #4 or #5

Subject = Periodontitis or Topic = Periodontal Disease and Subject = Interleukin 13 or Subject = IL-13 or Subject = IL 13 or Subject = Interleukin-13 (Exact Match)

Subject: (periodontitis + periodontal disease) * Subject: (interleukin 13+ IL-13 + IL 13+ Interleukin-13) *