Table 1.

Retrieval strategy of PubMed.

Number	Search terms
1	Platelet-rich plasma[Title/Abstract]
2	Platelet rich plasma[Title/Abstract]
3	PRP[Title/Abstract]
4	1 OR 2 OR 3
5	Burn[MeSH]
6	Burn[Title/Abstract]
7	Bums[Title/Abstract]
8	5OR 6 OR 7
9	4 AND 8