Inhibitory effects of Zanthoxylum rhoifolium Lam. (Rutaceae) against the infection and infectivity of macrophages by Leishmania amazonensis oleh BERNARDO MELO NETO, JOSEANA M.S.R. LEITÃO, LUCIANO G.C. OLIVEIRA, SÉRGIO E.M. SANTOS, SABRINA M.P. CARNEIRO, KLINGER A.F. RODRIGUES, MARIANA H. CHAVES, DANIEL D.R. ARCANJO, FERNANDO A.A. CARVALHO