TY - RPRT TI - Sample preconcentration by field amplification stacking for microchip-based capillary electrophoresis. AU - J Lichtenberg AU - E Verpoorte AU - N F de Rooij PY - 2001 DO - 10.1002/1522-2683(200101)22:2<258::aid-elps258>3.0.co;2-4 UR - https://pubmed.ncbi.nlm.nih.gov/11288893/ ID - 11288893 ER -