TY - RPRT TI - A filterable, proliferating factor simulating autoimmunity in malarious and nonmalarious ducklings. AU - R B McGhee AU - W E Loftis PY - 1968 DO - 10.1016/0014-4894(68)90106-9 UR - https://pubmed.ncbi.nlm.nih.gov/5673654/ ID - 5673654 ER -