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Study design. BDP=blood-derived products; chondrogen.=chondrogenic; CPRP=citrate platelet-rich plasma; EPRP=EDTA platelete-rich plasma; FACS=fluorescence-activated cell sorting; FCS=fetal calve serum; hypACT=hyperacute serum; osteogeny.=osteogenic; subcutan.=subcutaneous; XTT=assay for metabolic activity.
