@misc{indiciaef0f7c173c260, title = {Improved qualitative method for establishing flunitrazepam abuse using urine samples and column liquid chromatography with fluorimetric detection.}, author = {J P Weijers-Everhard and J Wijker and R Verrijk and H H van Rooij and W Soudijn}, year = {1986}, doi = {10.1016/s0378-4347(00)83289-2}, url = {https://pubmed.ncbi.nlm.nih.gov/3958092/}, note = {Source identifier: 3958092} }