TY - RPRT TI - Improved qualitative method for establishing flunitrazepam abuse using urine samples and column liquid chromatography with fluorimetric detection. AU - J P Weijers-Everhard AU - J Wijker AU - R Verrijk AU - H H van Rooij AU - W Soudijn PY - 1986 DO - 10.1016/s0378-4347(00)83289-2 UR - https://pubmed.ncbi.nlm.nih.gov/3958092/ ID - 3958092 ER -