The Detection of Chloroquine in Opium Using Gas Chromatography/Mass Spectrometry (GC/MS): A Toxic Adulterant

Jamshaid, Tahir, Lahore PAKISTAN; Chaudhary, Muhammad Taimoor, Lahore PAKISTAN; Usman, Muhammad, Lahore PAKISTAN; Mahmood, Zahid, Lahore PAKISTAN; Hussain, Imtiaz, Lahore PAKISTAN; Naseer, Abid, Lahore PAKISTAN; Tahir, Mohammad A., Lahore PAKISTAN