TY - JOUR AU - Cocho de Juan, José Ángel PY - 2014 SN - 0026-265X UR - http://hdl.handle.net/20.500.11940/8369 LA - eng TI - An improved method for the determination of Delta 9-tetrahydrocannabinol, cannabinol and cannabidiol in hair by liquid chromatography-tandem mass spectrometry DO - 10.1016/j.microc.2014.05.015 T2 - MICROCHEMICAL JOURNAL M2 - 7 VL - 117 ER -