Results shown as a percentage of reduction in the average wound area of the groups treated with peptide compared to the control group on a given postinjury day. RF: reference; P: peptides; R: route; A: application; C: concentration; RWS: reduction in wound size; DA: day analyzed; PI: postinjury; ?: not reported or unclear; I.p.: intraperitoneal; S.c.: subcutaneous; I.v.: intravenously; CP1: collagen peptides bands at 10-15 kDa; CP2: collagen peptides <25 kDa; Ss-SCP: Salmo salar skin collagen peptides; Tn-SCP: Tilapia nilotica skin collagen peptides.