TY - RPRT TI - Human complement C3b inactivator: isolation, characterization, and demonstration of an absolute requirement for the serum protein beta1H for cleavage of C3b and C4b in solution. AU - M K Pangburn AU - R D Schreiber AU - H J Müller-Eberhard PY - 1977 DO - 10.1084/jem.146.1.257 UR - https://pubmed.ncbi.nlm.nih.gov/301546/ ID - 301546 ER -