Authors: LIU HJ COOPER LM RAYNIE DE PINKSTON JD WEHMEYER KR

Citation: Hj. Liu et al., COMBINED SUPERCRITICAL FLUID EXTRACTION SOLID-PHASE EXTRACTION WITH OCTADECYLSILANE CARTRIDGES AS A SAMPLE PREPARATION TECHNIQUE FOR THE ULTRATRACE ANALYSIS OF A DRUG METABOLITE IN PLASMA, Analytical chemistry, 64(7), 1992, pp. 802-806