RT Journal Article SR Electronic T1 Nasal swabs are the painless way to diagnose viral respiratory infection JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 709 OP 709 DO 10.1136/jcp.55.9.709 VO 55 IS 9 YR 2002 UL http://jcp.bmj.com/content/55/9/709.abstract AB