@misc{indiciae45897d995778, title = {Sample preparation on polymeric solid phase extraction sorbents for liquid chromatographic-tandem mass spectrometric analysis of human whole blood--a study on a number of beta-agonists and beta-antagonists.}, author = {Martin Josefsson and Alma Sabanovic}, year = {2006}, doi = {10.1016/j.chroma.2006.03.013}, url = {https://pubmed.ncbi.nlm.nih.gov/16600255/}, note = {Source identifier: 16600255} }