RT Journal Article SR Electronic T1 The Determination of Calcium in Biological Fluids by Flame Photometry JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 286 OP 289 DO 10.1136/jcp.6.4.286 VO 6 IS 4 A1 Powell, F. J. N. YR 1953 UL http://jcp.bmj.com/content/6/4/286.abstract AB