TY - RPRT TI - Trypanosoma lewisi: characterization of complement-activating components. AU - K Nielsen AU - J Sheppard AU - I Tizard AU - W Holmes PY - 1977 DO - 10.1016/0014-4894(77)90018-2 UR - https://pubmed.ncbi.nlm.nih.gov/330186/ ID - 330186 ER -