RT Journal Article SR Electronic T1 A portable micro-centrifuge JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 90 OP 91 DO 10.1136/jcp.16.1.90 VO 16 IS 1 A1 G. F. Green YR 1963 UL http://jcp.bmj.com/content/16/1/90.abstract AB