During the course of treatment with small doses of pteroylglutamic acid, serum folic acid activity for L. casei remained low (2.7 millimicrogm. on the 16th, 2.2 millimicrogm. on the 19th and 2.2 ...

THE discovery, isolation, synthesis and clinical use of a new member of the vitamin B complex called "pteroylglutamic acid" can be attributed to the combined efforts of many different investigative ...

Letter Published: 24 July 1948 Benziminazole Analogues of Pteroic and Pteroylglutamic Acids F. E. KING, P. C. SPENSLEY & R. H. NIMMO-SMITH Nature 162, 153–154 (1948) Cite this article ...

Letter Published: 05 July 1947 Pteroylglutamic Acid in Liver Extracts and Urine L. GOLBERG, B. DE MEILLON & J. F. MURRAY Nature 160, 22–23 (1947) Cite this article ...