%0 Journal Article %A M Rhen %T Solid phase enzyme linked immunosorbent assay for classical complement activation pathway. %D 1987 %R 10.1136/jcp.40.2.237 %J Journal of Clinical Pathology %P 237-239 %V 40 %N 2 %U https://jcp.bmj.com/content/jclinpath/40/2/237.full.pdf