@article{article2616d6dd,
title   = {Green propolis: unreported constituents and a novel compound from chloroform extracts},
author = {Negri, Giuseppina and Salatino, Maria Luiza Faria and Salatino, Antonio},
year = {2003},
doi = {10.1080/00218839.2003.11101087},
journal   = {Journal of Apicultural Research}
}