Ciba Foundation symposium on chemistry and biology of pteridines / editors for the Ciba Foundation, G. E. W. Wolstenholme and Margaret P. Cameron - London : J. & A. Churchill, 1954 - xiv, 425 p. : ill. ; 21 cm. Includes bibliographical references and index Subjects--Topical Terms: Pteridines Dewey Class. No.: 547.75