@misc{indiciae1a4774f82146, title = {Purification of human complement subcomponent C4. C4 cleavage by C1s.}, author = {A Reboul and N Thielens and M B Villiers and M G Colomb}, year = {1979}, doi = {10.1016/0014-5793(79)81271-5}, url = {https://pubmed.ncbi.nlm.nih.gov/467643/}, note = {Source identifier: 467643} }