TY - RPRT TI - Choice and specificity of complement in complement fixation assay. AU - J Sethi AU - D Pei AU - Y Hirshaut PY - 1981 DO - 10.1128/jcm.13.5.888-890.1981 UR - https://pubmed.ncbi.nlm.nih.gov/6787075/ ID - 6787075 ER -