TY - RPRT TI - Supercritical fluid chromatography tandem-column method development in pharmaceutical sciences for a mixture of four stereoisomers. AU - Wesley W Barnhart AU - Kyung H Gahm AU - Sam Thomas AU - Steve Notari AU - David Semin AU - Janet Cheetham PY - 2005 DO - 10.1002/jssc.200500005 UR - https://pubmed.ncbi.nlm.nih.gov/15912730/ ID - 15912730 ER -