Araujo, C.A. de Camara, C.A.G. da Moraes, M.M. de Vasconcelos, G.J.N. de Pereira, M.R.S. Zartman, C.E.
First record of the chemical composition of essential oil of Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum from the Brazilian Amazon forest