TY - RPRT TI - Difference in dose response between native and activated first component of guinea pig complement (C1): reaction with C1 inactivator offers no explanation. AU - I G Hoffmann AU - N P Stevland PY - 1971 DO - 10.1016/0019-2791(71)90401-0 UR - https://pubmed.ncbi.nlm.nih.gov/5570045/ ID - 5570045 ER -