1. Bland J M, Jones D R, Bennett S, et al. Is the clinical trial evidence about new drugs statistically adequate? Br J Clin Pharmac 1985;19:155–60.
2. Idanpaan-Heikkila J E. Adverse reactions and post-marketing surveillance. In: Burley D M, Binns T B, eds. Pharmaceutical Medicine, London: Arnold, 1985:126–48.
3. Inman W H W, ed. Monitoring for Drug Safety, 2nd ed. Lancaster: MTP Press, 1986.
4. Stephens MDB. The Detection of New Adverse Drug Reactions, Basingstoke: Macmillan, 1985.
5. Laporte J R, Tognoni G, eds. Principios de Epidemiologia del Medicamento, Barcelona: Salvat, 1983.