The complement system NARRATED animation1970-01-01T00:00:00+00:00Classical, lectin and alternative pathways of complement activation. Major complexes and components, regulatory proteinsPT326Shttps://d38zjy0x98992m.cloudfront.net/0b6b033d-6c6b-41a8-a13a-166e7a9d7bb8/complement_system_xlarge.jpghttps://d38zjy0x98992m.cloudfront.net/0b6b033d-6c6b-41a8-a13a-166e7a9d7bb8/complement_system_mp4_hd_video.mp4