J Pharm Pharmacol. 1981 Jun;33(6):369-72. The tetrahydrocannabinol and tetrahydrocannabinolic acid content of cannabis products. Baker PB, Taylor BJ, Gough…
Bull Narc. 1981;33(2):49-58. Identification and differentiation of resinous cannabis and textile cannabis: combined use of HPLC and high-resolution GLC.…