The issue focused on how many medical studies have been published on medical marijuana.

The study by researchers at the University of British Columbia's medical school found more than 10,000 studies on medical marijuana in the medical literature.

The study said about 10 per cent of those studies were published in medical journals.

The study said about 10 per cent of medical studies on medical marijuana were published in medical journals. (University of British Columbia)

The study said about 10 per cent of medical studies on