RT Journal Article SR Electronic T1 Confusion of terms “birefringence” and “optical activity” JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1202 OP 1202 DO 10.1136/jcp.36.10.1202-b VO 36 IS 10 A1 PN Cowen YR 1983 UL http://jcp.bmj.com/content/36/10/1202.2.abstract AB