SEARCH Articles Figures Tables Action of aminopterin and amethopterin (methotrexate) Aminopterin antimetabolite Aminopterin, inhibition of dehydrofolate Aminopterin, inhibition of dehydrofolate reductase Aminopterin, methylation Aminopterin, methylation structure Aminopterin-methotrexate Aminopterins as antitumour agents Folic Aminopterin Hypoxanthine aminopterin thymidine Hypoxanthine aminopterin thymidine medium Hypoxanthine, aminopterin Hypoxanthine, aminopterin medium Methyl aminopterin Purine aminopterin Stationary phase cells and aminopterin Thymidine Aminopterin