RT Journal Article SR Electronic T1 The Micro-Determination of Gold in Biological Fluids and Tissues JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 39 OP 42 DO 10.1136/ard.4.2.39 VO 4 IS 2 A1 Block, Walter D. YR 1944 UL http://ard.bmj.com/content/4/2/39.abstract AB