TY - RPRT TI - Quantitative determination for cytotoxic Friedo-nor-oleanane derivatives from five morphological types of Maytenus ilicifolia (Celastraceae) by reverse-phase high-performance liquid chromatography. AU - Waldemar Buffa Filho AU - Joaquim Corsino AU - da Silva Vanderlan Bolzani AU - Maysa Furlan AU - Ana Maria S Pereira AU - Suzelei Castro França DO - 10.1002/pca.626 UR - https://pubmed.ncbi.nlm.nih.gov/12018026/ ID - 12018026 ER -