Vitamin D - Biochemical, Chemical and Clinical Aspects Related to Calcium Metabolism : Proceedings of the Third Workshop on Vitamin D, Asilomar, Pacific Grove, California, USA, January 1977
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