@misc{indiciae8a37e7190600, title = {Validation of a diffusive sampling method for airborne low-molecular isocyanates using 4-nitro-7-piperazinobenzo-2-oxa-1,3-diazole-impregnated filters and liquid chromatography-tandem mass spectrometry.}, author = {Hartmut Henneken and Heiko Hayen and Martin Vogel and Uwe Karst}, year = {2006}, doi = {10.1016/j.chroma.2006.08.098}, url = {https://pubmed.ncbi.nlm.nih.gov/16996529/}, note = {Source identifier: 16996529} }