Chemotherapy for tumors of the head and neck.
D006257:Head; D006258:Head and Neck Neoplasms; D006801:Humans; D002955:Leucovorin; D008727:Methotrexate; D009062:Mouth Neoplasms; D009369:Neoplasms
D002955:Leucovorin; D008727:Methotrexate
CITROVORUM FACTOR; HEAD; METHOTREXATE; MOUTH NEOPLASMS; NECK NEOPLASMS