PubMed
#	Searches
1	“Osteochondritis Dissecans”[Mesh]
2	Osteochondritis dissecans[tiab] OR osteochondrosis dissecans[tiab] OR osteochondrolysis[tiab] OR OCD[tiab] OR OLT[tiab]
3	(osteochondral[tiab] OR chondral[tiab] OR transchondral[tiab] OR cartilage*[tiab]) AND (defect*[tiab] OR lesion*[tiab])
4	#1 OR #2 OR #3
5	“Talus”[Mesh]
6	talus[tiab] OR talar*[tiab] OR ankle[tiab]
7	#5 OR #6
8	#4 AND #7
EMBASE (Ovid)
#	Searches
1	(osteochondritis dissecans/ or (osteochondritis dissecans or osteochondrosis dissecans or osteochondrolysis or OCD or OLT).ti,ab,kw. or ((osteochondral or chondral or osteochondral or transchondral or cartilage*) adj3 (defect* or lesion*)).ti,ab,kw.) and (talus/ or (talus or talar* or ankle).ti,ab,kw.)
Cochrane Library
#	Searches
1	MeSH descriptor: [Osteochondritis Dissecans] explode all trees
2	(osteochondritis dissecans or osteochondrosis dissecans or osteochondrolysis or OCD or OLT):ti,ab,kw (Word variations have been searched)
3	((osteochondral or chondral or transchondral or cartilage*) and (defect* or lesion*)):ti,ab,kw (Word variations have been searched)
4	#1 or #2 or #3
5	MeSH descriptor: [Talus] explode all trees 34
6	(talus or talar* or ankle):ti,ab,kw (Word variations have been searched)
7	#5 or #6