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DENVER (AP) — A state lawmaker from Denver is proposing stricter regulations on medical marijuana providers and patients.

Sen. Chris Romer says about half of Colorado's dispensaries could be driven out of business by the legislation he's drafting.

The bill would allow dispensaries and growers to be licensed by both the state and local jurisdictions. The Denver Democrat says they should have to show they won't be harmful to the surrounding community.

Romer wants stricter state rules on who is permitted to use medical marijuana. He also says doctors who are paid by dispensaries shouldn't be allowed to also clear patients to use medical marijuana.

Coloradans for Medical Marijuana Regulation, a dispensary trade group, opposes the bill in its current form.

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