in a complement-dependent 51cr cytotoxicity assay , using as target murine fibrosarcoma or lymphosarcoma cells , the rabbit complement ( rc ) was more efficient than guinea pig complement ( gpc ) when tested either with strong antisera , such as antihistocompatibility sera , or with weak sera , such as wera from normal mice shown previously to posses a natural antitumor response .
C0009498
complement
C0229671
sera