SEARCH Articles Figures Tables 7,8-Dihydrofolate Dihydrofolate reductase Dihydrofolate reductase inhibitors QSAR studies of inhibition Dihydrofolate reductase inhibitors analysis Dihydrofolate reductase inhibitors antimetabolites Dihydrofolate reductase inhibitors applications Dihydrofolate reductase inhibitors binding Dihydrofolate reductase inhibitors design Dihydrofolate reductase inhibitors interaction with methotrexate Dihydrofolate reductase inhibitors molecular modeling Dihydrofolate reductase inhibitors selective toxicity Dihydrofolate reductase inhibitors triazines Inhibitors of dihydrofolate reductase