Reduction of relative centrifugal forces increases growth factor release within solid platelet-rich-fibrin (PRF)-based matrices: a proof of concept of LSCC (low speed centrifugation concept).

The significant differences were regarded as significant if the p values were less than 0.05 (* p < 0.05) and highly significant if the p values were less than 0.005 (** p < 0.005), 0.0005 (*** p < 0.0005) or 0.0001 (**** p < 0.0001).

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