TY - RPRT TI - Automated solid-phase extraction workstations combined with quantitative bioanalytical LC/MS. AU - N H Huang AU - J R Kagel AU - D T Rossi PY - 1999 DO - 10.1016/s0731-7085(98)00289-1 UR - https://pubmed.ncbi.nlm.nih.gov/10704127/ ID - 10704127 ER -