PT - JOURNAL ARTICLE AU - J M Nolla AU - A Rozadilla TI - The time of blood sampling for osteocalcin determinations. AID - 10.1136/ard.49.2.133-a DP - 1990 Feb 01 TA - Annals of the Rheumatic Diseases PG - 133 VI - 49 IP - 2 4099 - http://ard.bmj.com/content/49/2/133.1.short 4100 - http://ard.bmj.com/content/49/2/133.1.full SO - Ann Rheum Dis1990 Feb 01; 49