@article{paperid:1084513, author = {Samadi, Fatemeh and Sarafraz Yazdi, Ali and Zarrin Eshaghi}, title = {An insight into the determination of trace levels of benzodiazepines in biometric systems: Use of crab shell powder as an environmentally friendly biosorbent}, journal = {Journal Chromatography B}, year = {2018}, volume = {1092}, number = {17}, month = {August}, issn = {1570-0232}, pages = {58--64}, numpages = {6}, keywords = {Vortex assisted solid phase extraction; Eco-friendly adsorbent; Crab shell powder; Benzodiazepines; RSM}, }