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Psychopharmacology|January 1, 1993
Heroin self-administration in rats under a progressive ratio schedule of reinforcementD C Roberts, S A Bennett
Circulation|April 1, 1978
Calcific deposits in stenotic mitral valves. Extent and relation to age, sex, degree of stenosis, cardiac rhythm, previous commissurotomy and left atrial body thrombus from study of 164 operatively-excised valvesA S Lachman, W C Roberts
Psychopharmacology|June 1, 1997
Baclofen suppression of cocaine self-administration: demonstration using a discrete trials procedureD C Roberts, M M Andrews
Current Problems in Cardiology|June 1, 1977
Pericardial heart diseaseW C Roberts, T L Spray
Journal of Clinical Pathology|December 1, 1974
An evaluation of low voltage counterimmunoelectrophoresis for the detection of hepatitis-B antigen (HB Ag)E O Caul, P C Roberts
The American Journal of Cardiology|October 1, 1986
Clinical and morphologic observations after simultaneous replacement of the tricuspid, mitral and aortic valvesM F Sullivan, W C Roberts
Cardiology Clinics|November 1, 1986
Morphologic findings in sudden coronary death: a comparison of those with and those without previous symptoms of myocardial ischemiaC A Warnes, W C Roberts
Advances in Cardiology|January 1, 1978
Structural changes in Hancock porcine xenograft cardiac valve bioprosthesesT L Spray, W C Roberts
Gut|December 1, 1985
Abnormal responses to morphine-neostigmine in patients with undefined biliary type painI C Roberts-Thomson, J Toouli
Methods in Molecular Biology (Clifton, N.J.)|August 6, 2013
In vitro model of spontaneous mouse OSE transformationPaul C Roberts, Eva M Schmelz
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