1. An evidence base for developing local policy;Department of Health,2007
2. NHS Scotland dress code;Scottish Government Health Directorates,2008
3. Regional dress code policy and recommendations on staff changing facilities for Northern Ireland;Department for Health Social Services and Public Safety,2007
4. Microbes on ties: do they correlate with wound infection?;Steinlechner;Ann R Coll Surg Engl,2002