TY - RPRT TI - Improved solid-phase extraction technique for plasma flecainide analysis by high-performance liquid chromatography. AU - K M Wilson AU - J J Schneider AU - P J Ravenscroft PY - 1998 DO - 10.1097/00007691-199808000-00014 UR - https://pubmed.ncbi.nlm.nih.gov/9712470/ ID - 9712470 ER -