References
- Conway E L, Brown M J, Dollery C T. Plasma catecholamine and cardiovascular responses to morphine and D-ala2-d-leu5-enkephalin in conscious rats. Arch. Int. Pharmacodyn 1983; 265: 244–258
- Conway E L, Brown M J, Dollery C T. No evidence for involvement of endogenous opioid peptides in effects of clonidine on blood pressure, heart rate and plasma norepinephrine in anaesthetised rats. J. Pharmacol. exp. Ther 1984; 229: 803–808
- Conway E L, Jarrott B. Clonidine distribution in the rat: temporal relationship between tissue levels and blood pressure response. Brit. J. Pharmacol 1980; 71: 473–478
- Conway E L, Jarrott B. Tissue pharmacokinetics of clonidine in rats. J. Pharmacokinetics Biopharmaceutics 1982; 10: 187–200
- Docherty J R, McGrath J C. The factors influencing the time course of drug action alpha adrenoceptors: an investigation of the effects of clonidine in the pithed rat. Brit. J. Pharmacol 1980; 48: 225–234
- Farsang C, Ramirez-Gonzalez M D, Mucci L, Kunos G. Possible role of an endogenous opiate in the cardiovascular effects of central alpha adrenoceptor stimulation in spontaneously hypertensive rats. J. Pharmacol. exp. Ther 1980; 214: 203–208
- Freye E, Arndt J O. Perfusion of fentanyl through the fourth cerebral ventricle and its cardiovascular effects in awake and halothane anesthetised dogs. Anaesthetist 1980; 29: 208–213
- Hutchinson J S, Lim A, Di Nicolantonio R, Clements J A, Funder J W. Immunoreactive beta-endorphin levels in plasma and pituitary tissue from genetically hypertensive and normotensive rats. Clin. Exp. Pharmacol. Physiol 1981; 8: 455–457
- Kobinger W. Central alpha-adrenergic systems as targets for hypotensive drugs. Rev. physiol. Biochem. Pharmacol 1978; 81: 39–100
- Kobinger W, Walland A. Circulatory studies with 2-dichlorophenylamino)-2-imidazoline hydcochloride. Arzneim.- Forsch 1967; 17: 292–300
- Kunos G, Farsang C, Ramirez-Gonzalez M D. Betaendorphin: possible involvement in the antihypertensive effect of centralalpha-receptor activation. Science 1981; 211: 82–84
- Misra A, Pontani R B, Vadlamani N L, Mule S J. Physiological disposition of (allyl-1′,3′-14 C) naloxone in the rat and some comparative observations on nalorphine. J. Pharmacol. exp. Ther 1976; 196: 257–268
- Montastruc J L, Montastruc P, Moralesolivas F. Potentiation by naloxone of pressor reflexes. Brit. J. Pharmacol 1981; 74: 105–109
- Pettibone D J, Muellar G P. Clonidine releases immunoreactive beta-endorphin from rat pars distalis. Brain Res 1981a; 221: 409–414
- Pettibone D J, Mueller G P. Alpha-adrenergic stimulation by clonidine increases plasma concentrations of immunoreactive beta-endorphin in rats. Endocrinology 1981b; 109: 798–802
- Petty M A, de Jong W. Does beta-endorphin contribute to the central antihypertensive action of alpha-methyldopa in rats?. Clin. Sci 1982; 63(Suppl. 8)293S–296S
- Rubin P C, McLean K, Reid J L. Endogenous opioids and baroreflex control in humans. Hypertension 1983; 5: 535–8
- Sawynock J, Pinsky C, La Bella F S. On the specificity of naloxone as an opiate antagonist. Life Sci 1979; 25: 1621–1623
- Tepperman F S, Hirst M, Smith P. Brain and serum levels of naloxone following peripheral administration. Life Sci 1983; 33: 1091–1096
- Wallenstein S, Zucker C L, Fleiss J L. Some statistical methods useful in circulation research. Circ. Res 1980; 47: 1–9
- Walsh G M. Increased systemic vascular responsiveness to catecholamines in spontaneously hypertensive rats. Clin. and Exper. Hyper.-Theory and Practice 1983; 5: 577–601
- Wei E, Loh H H, Way E L. Quantitative aspects of precipitated abstinence in morphine-dependent rats. J. Pharmacol, exp. Ther 1973; 184: 398–403
- Yates M S, Hiley C R. Distribution of cardiac output in different models of hypertension in the conscious rat. pflugers Arch 1979; 379: 219–222