title: The effect of topical leukovorin on the gingiva of Long Evans rats undergoing methotrexate therapy.
mesh_terms: D000818:Animals; D003585:Cell Biology; D004341:Drug Evaluation; D004848:Epithelium / Q000187:drug effects; D007274:Injections, Intraperitoneal; D008727:Methotrexate / Q000008:administration & dosage / Q000494:pharmacology*; D008938:Mitosis / Q000187:drug effects*; D009061:Mouth Mucosa / Q000166:cytology*; D009824:Ointments; D051381:Rats; D011919:Rats, Inbred Strains; D013763:Tetrahydrofolates / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D009824:Ointments; D013763:Tetrahydrofolates; D008727:Methotrexate