RT Journal Article SR Electronic T1 A multiple sampling device for the mass screening of serum samples for hepatitis B surface antigen. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 288 OP 291 DO 10.1136/jcp.31.3.288 VO 31 IS 3 A1 Cameron, C H A1 Barbara, J A YR 1978 UL http://jcp.bmj.com/content/31/3/288.abstract AB