TY - RPRT TI - Direct determination of benzidine in unaltered soil solution by liquid chromatography. AU - A I Ononye AU - J G Graveel AU - J D Wolt PY - 1987 DO - 10.1007/bf01688320 UR - https://pubmed.ncbi.nlm.nih.gov/3664008/ ID - 3664008 ER -