TY - RPRT TI - Computerized controlled-substance inventory management in a forensic toxicology laboratory: practical application of a state-change model. AU - R L Cechner AU - C A Sutheimer DO - 10.1093/jat/15.5.266 UR - https://pubmed.ncbi.nlm.nih.gov/1960978/ ID - 1960978 ER -