27. Ibid., p. 106.

28. Ibid., pp. 106-107.

29. Yeasavage JA, Leirer VO, Denari M, Hollister LE. 1985. “Carry-over effects of marijuana intoxication on aircraft pilot performance: A preliminary report.” American Journal of Psychiatry 142:1325-1329.

30. Institute of Medicine. Marijuana and Medicine, pp. 105-106.

31. Yeasavage JA, et al. 1985.

32. Institute of Medicine. Marijuana and Medicine, p. 100.

33. Golub A and Johnson BD. 1994. “The shifting importance of alcohol and marijuana as gateway substances among serious drug abusers.” Journal of Studies on Alcohol 55:607-614.

34. Johnston LD, O'Malley PM, Bachman JG. 1989. “Marijuana decriminalization: The impact on youth, 1975-1980.” Journal of Public Health 10:456.

35. Model KE. 1993. “The effect of marijuana decriminalization on hospital emergency room drug episodes: 1975-1978.” Journal of the American Statistical Association 88:737-747.

36. Substance Abuse and Mental Health Services Administration. 1998. National Household Survey on Drug Abuse: Population Estimates 1997. DHHS Pub. No. (SMA) 98-3250. Rockville, MD: SAMHSA, Office of Applied Studies.

37. Institute of Medicine. Marijuana and Medicine, p. 104.



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