Methotrexate and immunity.
D000818:Animals; D000937:Antigen-Antibody Reactions; D006168:Guinea Pigs; D006967:Hypersensitivity / Q000209:etiology; D007110:Immunity, Active; D007166:Immunosuppressive Agents / Q000494:pharmacology*; D008727:Methotrexate / Q000494:pharmacology*; D011506:Proteins / Q000494:pharmacology
D007166:Immunosuppressive Agents; D011506:Proteins; D008727:Methotrexate