@article{bedor_souza filho_ramos_gonçalves_sousa_santana_2011,  title={A sensitive and robust lc-ms/ms method with monolithic column and electrospray ionization for the quantitation of efavirenz in human plasma: application to a bioequivalence study},  volume={34},  ISSN={0100-4042},  url={https://doi.org/10.1590/S0100-40422011000600007},  DOI={10.1590/S0100-40422011000600007},  number={6},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Bedor, Danilo Cesar Galindo and Souza Filho, Jose Homero de and Ramos, Virna Ligiane Souza and Gonçalves, Talita Mota and Sousa, Carlos Eduardo Miranda de and Santana, Davi Pereira de},  year={2011},  pages={950–955} }