TY - RPRT TI - The ancestral complement system in sea urchins. AU - L C Smith AU - L A Clow AU - D P Terwilliger PY - 2001 DO - 10.1034/j.1600-065x.2001.1800102.x UR - https://pubmed.ncbi.nlm.nih.gov/11414357/ ID - 11414357 ER -