@article{articlebe997e27,
title   = {Simultaneous analysis of tramadol, O-desmethyltramadol, and N-desmethyltramadol enantiomers in rat plasma by high-performance liquid chromatography-tandem mass spectrometry: Application to pharmacokinetics},
author = {Godoy, Ana Leonor Pardo Campos and Moraes, Natália Valadares de and Martinez, Edson Zangiacomi and Carvalho, Teresa Maria de Jesus Ponte and Marques, Maria Paula and Lanchote, Vera Lúcia},
year = {2011},
doi = {10.1002/chir.20914},
journal   = {Chirality}
}