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Randomized phase III trial of edatrexate versus methotrexate in patients with metastatic and/or recurrent squamous cell carcinoma of the head and neck: a European Organization for Research and Treatment of Cancer Head and Neck Cancer Cooperative Group study.
Schornagel JH, Verweij J, de Mulder PH, Cognetti F, Vermorken JB, Cappelaere P, Armand JP, Wildiers J, de Graeff A, Clavel M, et al. Schornagel JH, et al. Among authors: de graeff a, de mulder ph. J Clin Oncol. 1995 Jul;13(7):1649-55. doi: 10.1200/JCO.1995.13.7.1649. J Clin Oncol. 1995. PMID: 7602354 Free article. Clinical Trial.
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