@article{article6f27e720,
title   = {Analysis of 11-nor-9-carboxy-'Δ POT. 9'-tetrahydrocannabinol in urine samples by hollow fiber-liquid phase microextraction and gas chromatography-mass spectrometry in consideration of measurement uncertainty},
author = {Eller, Sarah Carobini Werner de Souza and Flaiban, Luma Gonçalves and Paranhos, Beatriz Aparecida Passos Bismara and Costa, José Luiz da and Lourenço, Felipe Rebello and Yonamine, Maurício},
year = {2014},
doi = {10.1007/s11419-014-0239-4},
journal   = {Forensic Toxicology}
}