TY - RPRT TI - Purification by ionic precipitation of the first component of human complement and complement esterase. AU - G von Zeipel AU - H S Hanson AU - L V von Stedingk PY - 1974 DO - 10.1111/j.1699-0463.1974.tb02370.x UR - https://pubmed.ncbi.nlm.nih.gov/4213335/ ID - 4213335 ER -