Pharmacological basis for use of Lychnophora trichocarpha in gouty arthritis: anti-hyperuricemic and anti-inflammatory effects of its extract, fraction and constituents - De Souza, M R; de Paula, C A; de Resende, M LP; Grabe-Guimarães, A; de Souza Filho, J D; Saúde-Guimarães, D A (J Ethnopharmacol, 2012)