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Pharmacology, Biochemistry, and Behavior|September 1, 1997
Dosage choices of rats for morphine, for heroin, and between morphine and heroinC W Hutto, W F Crowder
Pharmacology, Biochemistry, and Behavior|April 11, 1992
Operant place conditioning measures examined using morphine reinforcementW F Crowder, C W Hutto
Pharmacology, Biochemistry, and Behavior|April 11, 1992
Operant place conditioning measures examined using two nondrug reinforcersW F Crowder, C W Hutto
American Industrial Hygiene Association Journal|November 1, 1978
Hearing levels of aerospace workers as affected by duration of employmentO E Martin, W F Crowder
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