@article{article0f6299a3,
title   = {Determination of caffeine in coffee products by dynamic complexation with 3,4-dimethoxycinnamate and separation by CZE},
author = {Nogueira, Thiago and Lago, Claudimir Lucio do},
year = {2007},
doi = {10.1002/elps.200700039},
journal   = {Electrophoresis}
}