Quantitation activated complement c 1r activated complement c 1s activated complement c 1 inactivator complexes by electro immunoassay Laurell A B.; Martensson, U.; Sjoholm, A.G. Acta Pathologica et Microbiologica Scandinavica Section C Immunology 87(1): 79-82 1979 0304-1328 https://eurekamag.com/research/006/239/006239165.php