the antiemetic efficacy of im levonantradol , a synthetic cannabinoid , given at a dose of 1 mg every 4 hours , was compared to oral delta-9-tetrahydrocannabinol ( thc ) given at a dose of 15 mg every 4 hours in a double-blind crossover study .
C0006864
cannabinoid
C0039663
delta-9-tetrahydrocannabinol