TY - RPRT TI - Time-weighted average sampling of airborne n-valeraldehyde by a solid-phase microextration device. AU - S W Tsai AU - T A Chang PY - 2002 DO - 10.1016/s0021-9673(02)00152-8 UR - https://pubmed.ncbi.nlm.nih.gov/12058903/ ID - 12058903 ER -