TY - RPRT TI - Evidence that a nicked C4b, C4b', is a functionally active C4b derivative. AU - M Yamazaki AU - C Ichihara AU - S Nagasawa PY - 1986 DO - 10.1016/0014-5793(86)81550-2 UR - https://pubmed.ncbi.nlm.nih.gov/3490403/ ID - 3490403 ER -