RT Journal Article SR Electronic T1 Oestrogen receptor β immunohistochemistry: time to get it right? JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1150 OP 1151 VO 61 IS 10 A1 V Speirs A1 C A Green A1 A M Shaaban YR 2008 UL http://jcp.bmj.com/content/61/10/1150.abstract AB