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Journal of Consulting and Clinical Psychology|October 1, 1993
Nicotine delivery kinetics and abuse liabilityJ E Henningfield, R M KeenanAddictive Behaviors|January 1, 1989
Effect of tobacco withdrawal on sustained attentionJ R Hughes, R M Keenan, A YellinJournal of the Optical Society of America. A, Optics and Image Science|March 1, 1987
Sensory latency and reaction time: dependence on contrast polarity and early linearity in human visionD A Burkhardt, J Gottesman, R M KeenanPsychopharmacology|January 1, 1989
The effects of short-term smokeless tobacco deprivation on performanceR M Keenan, D K Hatsukami, D J AntonClinical Pharmacology and Therapeutics|January 1, 1987
Physiologic and subjective changes from smokeless tobacco withdrawalD K Hatsukami, S W Gust, R M KeenanPsychopharmacology|January 1, 1988
Topographical features of smokeless tobacco useD K Hatsukami, R M Keenan, D J AntonThe Journal of Pharmacology and Experimental Therapeutics|October 1, 1985
Instructions control whether nicotine will serve as a reinforcerJ R Hughes, R W Pickens, W Spring, et al.The Journal of Pharmacology and Experimental Therapeutics|March 1, 1990
Effect of dose on nicotine's reinforcing, withdrawal-suppression and self-reported effectsJ R Hughes, S W Gust, R M Keenan, et al.Journal of Analytical Toxicology|October 1, 1994
Pharmacokinetics and pharmacodynamics of smoked heroinA J Jenkins, R M Keenan, J E Henningfield, et al.Pageof 4