Anti-inflammatory and analgesic properties of water-ethanolic extract from Pothomorphe umbellata (Piperaceae) aerial parts. - Perazzo,F.F.; Souza,G.H.B.; Lopes,W.; Cardoso,L.G.V.; Carvalho,J.C.T.; Nanayakkara,N.P.D.; Bastos,J.K. (J Ethnopharmacol, 2005)