TY - RPRT TI - Passive immunity in Plasmodium knowlesi malaria. AU - G A Butcher AU - S Cohen AU - P C Garnham PY - 1970 DO - 10.1016/0035-9203(70)90104-5 UR - https://pubmed.ncbi.nlm.nih.gov/4993013/ ID - 4993013 ER -