TY - RPRT TI - Conformational changes and complement activation induced upon antigen binding to antibodies. AU - I Pecht AU - B Ehrenberg AU - E Calef AU - R Arnon PY - 1977 DO - 10.1016/0006-291x(77)90584-8 UR - https://pubmed.ncbi.nlm.nih.gov/557325/ ID - 557325 ER -