TY - RPRT TI - Simple and sensitive high performance liquid chromatographic method for the simultaneous quantitation of the lactone and carboxylate forms of topotecan in human plasma. AU - A M Vali AU - B Shafaghi AU - S Dadashzadeh PY - 2005 DO - 10.1016/j.jchromb.2004.12.027 UR - https://pubmed.ncbi.nlm.nih.gov/15734160/ ID - 15734160 ER -