RT Journal Article SR Electronic T1 Physicians as Gatekeepers in the Use of Medical Marijuana JF Journal of the American Academy of Psychiatry and the Law Online JO J Am Acad Psychiatry Law FD American Academy of Psychiatry and the Law SP 460 OP 464 VO 39 IS 4 A1 Thompson, John W. A1 Koenen, Mark A. YR 2011 UL http://jaapl.org/content/39/4/460.abstract AB