TY - BOOK AU - Curtius,H.-Ch AU - Ghisla,S. AU - Blau,N. ED - International Symposium on Pteridines and Folic Acid Derivatives: Chemical, Biological, and Clinical Aspects TI - Chemistry and biology of pteridines, 1989: pteridines and folic acid derivatives : proceedings of the Ninth International Symposium on Pteridines and Folic Acid Derivatives, Chemical, Biological, and Clinical Aspects, Zurich, Switzerland, September 3-8, 1989 SN - 0899256090 AV - QP801.P69 I58 1989 PY - 1990/// CY - Berlin, New York PB - de Gruyter KW - Pteridines KW - Congresses KW - Folic acid KW - Derivatives N1 - Includes bibliographical references and indexes ER -