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Differential dermal expression of ECM related genes. Dermal expression of COL4A2, MMP3 and HAS1 was determined in one of the duplicate skin models in n = 4 normal skin (Nskin), n = 5 peripheral keloid (P-Kscar), n = 4 central superficial keloid (Cs-Kscar), n = 4 central deep keloid (Cd-Kscar), n = 4 surrounding normal skin (sNskin). The scatter plots show the individual data points with the median, with *p < 0.05
