Progress in contraceptive delivery systems / series editor E.S.E. Hafez. Vol.1. Biodergradables and delivery systems for contraception ; editors E.S.E. Hafez, W.A.A. van Os
'... based on research and reviews that were first presented at the International symposium on Medicated IUDs and Polymeric Delivery Systems, held in Amsterdam, the Netherlands, on June 27-30, 1979 - half title page verso