@misc{indiciaedafa12703a93, title = {Automated on-line solid-phase extraction-gas chromatography with nitrogen-phosphorus detection: determination of benzodiazepines in human plasma.}, author = {A J Louter and E Bosma and J C Schipperen and J J Vreuls and U A Brinkman}, year = {1997}, doi = {10.1016/s0378-4347(96)00345-3}, url = {https://pubmed.ncbi.nlm.nih.gov/9061480/}, note = {Source identifier: 9061480} }