TY - RPRT TI - Competitive protein binding assay for piritrexim. AU - J L Woolley AU - J L Ringstad AU - C W Sigel PY - 1989 DO - 10.1002/jps.2600780910 UR - https://pubmed.ncbi.nlm.nih.gov/2585269/ ID - 2585269 ER -