NICHOL, C A Studies on the mechanism of resistance to folic acid analogues in a strain of Streptococcus faecalis. [electronic resource] - The Journal of biological chemistry Apr 1954 - 725-32 p. digital Publication Type: Journal Article ISSN: 0021-9258 Subjects--Topical Terms: Aminopterin--pharmacologyAntimetabolitesEnterococcus faecalisFolic Acid--analogs & derivativesFolic Acid Antagonists--pharmacologyStreptococcus