1. Scrip Yearbook (1993) PJB Publications, Surrey.
2. E. Uhlmann and A. Reyman (1990) Chem. Rev. 90, 544–584.
3. For a recent compilation see S. Watson and A. Abbott (1991) Trends Pharmacol. Sci., Receptor Nomenclature Suppl.
4. N.G. Morgan (1989) Cell Signalling, Open University Press, Milton Keynes.
5. S.R. Nahorski ed. (1990) Transmembrane Signalling, Wiley, Chichester, UK.