@article{articlea7f8039b,
title   = {Solid-phase microextraction and chiral HPLC analysis of ibuprofen in urine},
author = {Oliveira, Anderson Rodrigo Moraes de and Cesarino, Evandro José and Bonato, Pierina Sueli},
year = {2005},
doi = {10.1016/j.jchromb.2005.01.010},
journal   = {Journal of Chromatography B}
}