TY - JOUR T1 - Bioactive dihydroxyfuranonaphthoquinones from the bark of Tabebuia incana A.H. Gentry (Bignoniaceae) and HPLC analysis of commercial pau d'arco and certified T.incana bark infusions JO - Acta Amazonica A1 - Morais, Sabrina Kelly Reis de A1 - Silva, Suniá Gomes A1 - Portela, Cíntia Nicácio A1 - Nunomura, Sergio Massayoshi A1 - Quignard, Etienne Louis Jacques A1 - Pohlit, Adrian Martin SN - 0044-5967 UL - 10.1590/S0044-59672007000100011 VL - 37 Y1 - 2007 PB - Brasil ER -