TY - RPRT TI - Complement and complement-like activity in lower vertebrates and invertebrates. AU - N K Day AU - H Gewurz AU - R Johannsen AU - J Finstad AU - R A Good PY - 1970 DO - 10.1084/jem.132.5.941 UR - https://pubmed.ncbi.nlm.nih.gov/5470510/ ID - 5470510 ER -