Antimicrobial substances from higher plants. XLVI. Initial observations on biological effects of extracts from the stembark and rootbark of Lonchocarpus violaceus(= L. longistyllus), a mexican Mayan, Guatemala and Honduran plant. 

 -  Revista do Instituto de Antibioticos, Universidad Federal de Pernambuco, 15, p.3-15, 1975 .