“…(17) Jackson (1959) has noted that daily application of colcemid ointment both stops mitosis in carcinoma cells in the meta^Dhase and exerts a necrotizing action as well. His ointment was comprised of colcemid (1 mg.), propyleneglycol (100 mg.), sodium lauryl sulphate (20 mg.), cetylalcohol (150 mg.) and water (to 1,000 mg.).…”