Report of the proceedings : of the symposium held at the Royal Society of Medicine on 9 October, 1964. Ed. by P.M. Worrall and H.J. Espiner. - Bristol : Wright, 1966. Sponsored by Lederle Laboratories, London. On cover: Williams & Wilkins. Bibliography: p. 89-114. Subjects--Topical Terms: Methotrexate -- congresses.--Methotrexate -- congresses. National Library of Medicine Call No.: W3 / SY5329 1964r