TY - JOUR T1 - The time of blood sampling for osteocalcin determinations. JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 133 DO - 10.1136/ard.49.2.133-a VL - 49 IS - 2 AU - J M Nolla AU - A Rozadilla Y1 - 1990/02/01 UR - http://ard.bmj.com/content/49/2/133.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -