TY - RPRT TI - Complement systems in invertebrates. The ancient alternative and lectin pathways. AU - L C Smith AU - K Azumi AU - M Nonaka PY - 1999 DO - 10.1016/s0162-3109(99)00009-0 UR - https://pubmed.ncbi.nlm.nih.gov/10408372/ ID - 10408372 ER -