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Table 1 Search strategy

From: Effects of fish oil supplement on psoriasis: a meta-analysis of randomized controlled trials

DatabaseSearch strategy
Cochrane Central Register of Controlled Trials (CENTRAL)#1 MeSH descriptor: [Psoriasis] explode all trees
#2 Psoriasis:ti,ab,kw (Word variations have been searched)
#3 #1 or #2
#4 MeSH descriptor: [Fish Oils] explode all trees
#5 Fish Oil:ti,ab,kw (Word variations have been searched)
#6 fish liver oil:ti,ab,kw (Word variations have been searched)
#7 MeSH descriptor: [Cod Liver Oil] explode all trees
#8 Cod Liver Oil:ti,ab,kw (Word variations have been searched)
#9 MeSH descriptor: [Fatty Acids, Omega-3] explode all trees
#10 Omega-3:ti,ab,kw (Word variations have been searched)
#11 Omega3:ti,ab,kw (Word variations have been searched)
#12 MeSH descriptor: [Eicosapentaenoic Acid] explode all trees
#13 EPA:ti,ab,kw (Word variations have been searched)
#14 eicosapentaenoic acid:ti,ab,kw (Word variations have been searched)
#15 eicosapentaenoate:ti,ab,kw (Word variations have been searched)
#16 icosapentaenoic acid:ti,ab,kw (Word variations have been searched)
#17 MeSH descriptor: [Docosahexaenoic Acids] explode all trees
#18 DHA:ti,ab,kw (Word variations have been searched)
#19 docosahexaenoic acid:ti,ab,kw (Word variations have been searched)
#20 docosahexaenoate:ti,ab,kw (Word variations have been searched)
#21 #4 or #5 or #6 or #7 or #8 or #9 or #10 or #11 or #12 or #13 or #14 or #15 or #16 or #17 or #18 or #19 or #20
#22 #3 and #21
Embase#1 ‘psoriasis’/exp. OR ‘psoriasis’
#2 ‘fish oil’
#3 ‘fish liver oils’
#4 ‘cod liver oil’
#5 ‘omega 3 fatty acid’
#6 ‘eicosapentaenoic acid’
#7 ‘icosapentaenoic acid’
#8 eicosapentaenoate
#9 ‘docosahexaenoic acid’
#10 docosahexaenoate
#11 #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10
#12 #1 AND #11
MEDLINE1 exp Psoriasis/
2 psoriasis.mp.
3 1 or 2
4 exp. Fish Oils/
5 fish oil.mp.
6 fish liver oil.mp.
7 exp. Cod Liver Oil/
8 cod liver oil.mp.
9 exp. Fatty Acids, Omega-3/
10 omega-3.mp.
11 omega3.mp.
12 exp. Eicosapentaenoic Acid/
13 EPA.mp.
14 eicosapentaenoic acid.mp.
15 eicosapentaenoate.mp.
16 icosapentaenoic acid.mp.
17 exp. Docosahexaenoic Acids/
18 DHA.mp.
19 docosahexaenoic acid.mp.
20 docosahexaenoate.mp.
21 or/4–20
22 3 and 21