PT - JOURNAL ARTICLE AU - Preiskel, David TI - Beitrage zur Rheumatologie AID - 10.1136/ard.23.2.169-b DP - 1964 Mar 01 TA - Annals of the Rheumatic Diseases PG - 169--169 VI - 23 IP - 2 4099 - http://ard.bmj.com/content/23/2/169.2.short 4100 - http://ard.bmj.com/content/23/2/169.2.full SO - Ann Rheum Dis1964 Mar 01; 23