TY - RPRT TI - Conformational changes in complement component C4 induced by activation, treatment with amines, chaotropes, or freezing-thawing, detectable by radioiodination using lactoperoxidase. AU - I von Zabern AU - I Gigli PY - 1982 UR - https://pubmed.ncbi.nlm.nih.gov/6976994/ ID - 6976994 ER -