TY - RPRT TI - Using analytical multidimensional isocratic HPLC methods of separation to isolate active constituents in natural products. AU - Victor Wong AU - Alan P Sweeney AU - R Andrew Shalliker PY - 2004 DO - 10.1002/jssc.200301589 UR - https://pubmed.ncbi.nlm.nih.gov/15335057/ ID - 15335057 ER -