TY - RPRT TI - Modified on-column interface for coupled high-performance liquid chromatography-gas chromatography and its application to the determination of levamisole in milk. AU - C G Chappell AU - C S Creaser AU - M J Shepherd PY - 1992 DO - 10.1016/0021-9673(92)85413-n UR - https://pubmed.ncbi.nlm.nih.gov/1487521/ ID - 1487521 ER -