1. Arbilla S, Langer SZ (1979) Facilitation by GABA of the potassium-evoked release of3H-noradrenaline from the rat occipital cortex. Naunyn Schmiedebergs Arch Pharmacol 306: 161?168
2. Bonanno G, Raiteri M (1986) On the presence of a GABA uptake system on cholinergic terminals of rat hippocampus: evidence for neuronal coxistence of acetylcholine and GABA? J Pharmacol Exp Ther (in press)
3. Bowery NG, Hudson AL, Hill DR, Price GW (1984) Bicuculline-insensitive GABAB receptors. In: Paton W, Mitchell J, Turner P (eds) Proceedings of JUPHAR 9th int congress of pharmacol, London, vol 60. Macmillan, London, pp 159?170
4. Chesselet MF (1984) Presynaptic regulation of neurotransmitter release in the brain: facts and hypothesis. Neurosci 12: 347?375
5. Cuello AC (ed) (1982) Co-transmission. Macmillan, London