Chemistry and Biology of Pteridines : Pteridines and Folic Acid Derivatives. Proceedings of the International Symposium on Pteridines and Folic Acid Derivatives, Chemical, Biological and Clinical Aspects. . 7, : St. Andrews, Scotland, September 21-24, 1982
Chemistry and Biology of Pteridines : Pteridines and Folic Acid Derivatives. Proceedings of the International Symposium on Pteridines and Folic Acid Derivatives, Chemical, Biological and Clinical Aspects. . 8, : Montreal, Canada, June 15-20, 1986