Lopes, E. B., Mata, J. F. da and Melo, S. A. P. de (2014) “Etiology of root and stem rot of black pepper (<i>Piper nigrum</i> L.) and its ocurrence in Paraíba state, Brazil”, Pesquisa Agropecuaria Brasileira, 13(1), pp. 19–20. doi: 10.1590/S1678-3921.pab1978.v13.16742.