Naproxen.
Card's contents:521,540 KENNETH DUMAS /red./ Naproxen. Proceedings from an International Medical Symposium presented by Syntex Corporation. 7-8 May 1973 Geneva, Switzerland. Ed. Dumas Kenneth. Stockholm 1973 Almqvist und Wiksell 8° s. 181, ilustr. Scandinavian Journal of Rheumatology, suppl. 2