TY - RPRT TI - Grain dust contains a tannin-like material which fixes complement. AU - D L Skea AU - D McAvoy AU - I Broder PY - 1988 DO - 10.1016/s0013-9351(88)80031-8 UR - https://pubmed.ncbi.nlm.nih.gov/3402406/ ID - 3402406 ER -