@article{articlef0d40be7,
title   = {Natural and anthropogenic sterols inputs in surface sediments of Patos Lagoon, Brazil},
author = {Martins, Cesar de Castro and Montone, Rosalinda Carmela and Fillmann, Gilberto},
year = {2007},
doi = {10.1590/S0103-50532007000100012},
journal   = {Journal of the Brazilian Chemical Society}
}