David Roberts to Narcotics
This is a "connection" page, showing publications David Roberts has written about Narcotics.
Connection Strength
1.031
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Ward SJ, Läck C, Morgan D, Roberts DC. Discrete-trials heroin self-administration produces sensitization to the reinforcing effects of cocaine in rats. Psychopharmacology (Berl). 2006 Apr; 185(2):150-9.
Score: 0.236
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Ward SJ, Morgan D, Roberts DC. Comparison of the reinforcing effects of cocaine and cocaine/heroin combinations under progressive ratio and choice schedules in rats. Neuropsychopharmacology. 2005 Feb; 30(2):286-95.
Score: 0.221
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Morgan D, Roberts DC. Sensitization to the reinforcing effects of cocaine following binge-abstinent self-administration. Neurosci Biobehav Rev. 2004 Jan; 27(8):803-12.
Score: 0.205
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Ranaldi R, French E, Roberts DC. Systemic pretreatment with MK-801 (dizocilpine) increases breaking points for self-administration of cocaine on a progressive-ratio schedule in rats. Psychopharmacology (Berl). 1996 Nov; 128(1):83-8.
Score: 0.125
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Ranaldi R, Roberts DC. Initiation, maintenance and extinction of cocaine self-administration with and without conditioned reward. Psychopharmacology (Berl). 1996 Nov; 128(1):89-96.
Score: 0.125
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Richardson NR, Roberts DC. Progressive ratio schedules in drug self-administration studies in rats: a method to evaluate reinforcing efficacy. J Neurosci Methods. 1996 May; 66(1):1-11.
Score: 0.120