@article{article139c5b26,
title   = {Steroids and flavonoids of Porcelia macrocarpa},
author = {Chaves, Mariana Helena and Roque, Nídia Franca and Ayres, Mariane Cruz Costa},
year = {2004},
doi = {10.1590/s0103-50532004000400026},
journal   = {Journal of the Brazilian Chemical Society}
}