Doctor Otis Whole Plant Therapy Medicine is prepared, collected and processed from cannabis. The resin glands, called trichomes, from the unfertilized female buds; THC, terpenoids and other cannabinoids—in extremely high concentrations. We use an advanced knowledge and years of exdperience of resin gathering techniques which combine modern mechanical technology with current scientific understanding of cannabis to produce the purest, most potent RSO extract on earth and available exclusively through Dr. Otis Medicine.typical ratio: 1 ml of Otis Oil thc 286mg-cbd 273mg-cbc 24mg