The Authors Reply

Dóra E Roller A Kovach AGB , (1984) Effect of topical adenosine deaminase treatment on the functional hyperemic and hypoxic responses of the cerebral cortical microcirculation. J Cereb Blood Flow Metabol 4:447–457

Dunwiddie TV Hoffer BJ , (1980) Adenine nucleotides and synaptic transmission in the in vitro rat hippocampus. Br J Pharmacol 69:59–68

Edvinsson L Fredholm BB , (1983) Characterization of adenosine receptors in isolated cerebral arteries of cat. Br J Pharmacol 80:631–637

Emerson TE Raymond RM , (1981) Involvement of adenosine in cerebral hypoxic hyperemia in the dog. Am J Physiol 24 LH134–H138

Heistadt DD Marcus ML Courley JK Busija DW , (1981) Effect of adenosine and dipyridamole on cerebral blood flow. Am J Physiol 240:H775–H780

Morii S Ngai AC Berne RM Winn HR , (1984) The effects of theophylline (T) on cerebral blood flow (CBF) during sustained hypoxia. Fed Proc 43:512

Phillis JW DeLong RE Towner JK , (1985a) Adenosine deaminase inhibitors enhance cerebral anoxic hyperemia in the rat. J Cereb Blood Flow Metabol 5:295–299

Phillis JW DeLong RE Towner JK , (1985b) The effects of lido-flazine and flunarizine on cerebral reactive hyperemia. Europ J Pharmacol 112:323–329

Phillis JW Preston G DeLong RE , (1984) Effects of anoxia on cerebral blood flow in the rat brain: Evidence for a role of adenosine in autoregulation. J Cereb Blood Flow Metabol 4:586–592

Wahl M Kuschinsky W , (1976) The dilatatory action of adenosine on pial arteries of cats and its inhibition by theophylline. Pflugers Arch ges Physiol 362:55–59

Wei EP Kontos HA , (1981) Role of adenosine in cerebral dilation from arterial hypoxia. J Cereb Blood Flow Metabol 1(Suppl 1):S395–S396

Winn HR Rubio R Berne RM , (1979) Brain adenosine production in the rat during 60 seconds of ischemia. Circ Res 45:486–492

Winn HR Rubio R Berne RM , (1981) Brain adenosine concentration during hypoxia in rats. Am J Physiol 241:H235–H242

Zetterstrom T Vernet L Ungerstedt U Tossman U Jonzon B Fredholm BB , (1982) Purine levels in the intact rat brain. Studies with an implanted perfused hollow fibre. Neurosci Lett 29:111–115