TY - RPRT TI - 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. AU - Hartmut Henneken AU - Heiko Hayen AU - Martin Vogel AU - Uwe Karst PY - 2006 DO - 10.1016/j.chroma.2006.08.098 UR - https://pubmed.ncbi.nlm.nih.gov/16996529/ ID - 16996529 ER -