Contents: V. Zingel, C. Leschke and W. Schunack: Developments in research on histamine (H1) receptor agonists / P.D. Hoeprich: Antifungal chemotherapy / G. de Stevens: The diversity of heterocyclic compounds and their biological activities / R.M. Schultz: Newer antifolate compounds in cancer therapy / P.K. Mehrotra, S. Batra and A.P. Bhadun: Non-steroidal agents for regulation of the menstrual cycle / A.K. Saxena and M. Saxena: Developments in anti-convulsant drugs