@inproceedings{inproceedingsc27ea72c,
title   = {Determination of xanthines by hplc and tlc in horse urine after ingestion of guarana powder},
author = {Salvadori, M C and Rieser, E M and Ribeiro Neto, L M I and Nascimento, Elizabeth de Souza},
year = {1994},
publisher = {University of Ghent},
booktitle   = {International Symposium on Hormone and Veterinary Drug Residue Analysis}
}