TY - JOUR AU - Scheer, F; Krämer, I TI - A liquid chromatography assay for the simultaneous quantification of piperacillin and ciprofloxacin in human plasma and dialysate in critically ill patients undergoing continuous renal replacement therapy JO - Int J Anal Mass Spectrom Cromatogr VL - 2 PY - 2014 SP - 43 EP - 51 ER -