@misc{indiciae07f568a31574, title = {Reference materials for analytical toxicology including doping control: freeze-dried urine samples.}, author = {C Jiménez and R Ventura and J Williams and J Segura and R de la Torre}, year = {2004}, doi = {10.1039/b310111h}, url = {https://pubmed.ncbi.nlm.nih.gov/15116239/}, note = {Source identifier: 15116239} }