2004. Quantification of 4-nerolidylcatechol from Pothomorphe umbellata (Piperaceae) in rat plasma samples by HPLC-UV. Revista Brasileira de Ciências Farmacêuticas. 40, 3 (Sep. 2004), 373–380. DOI:https://doi.org/10.1590/S1516-93322004000300013.