PT - JOURNAL ARTICLE AU - Willoughby, D A AU - DiRosa, M TI - Studies on the mode of action of non-steroid anti-inflammatory drugs. AID - 10.1136/ard.31.6.540 DP - 1972 Nov 01 TA - Annals of the Rheumatic Diseases PG - 540 VI - 31 IP - 6 4099 - http://ard.bmj.com/content/31/6/540.short 4100 - http://ard.bmj.com/content/31/6/540.full SO - Ann Rheum Dis1972 Nov 01; 31