Stone, SP; Fuller, C; Savage, J; Cookson, B; Hayward, A; Cooper, B; Duckworth, G; Michie, S; Murray, M; Jeanes, A; +3 more... Roberts, J; Teare, L; Charlett, A; (2012) Evaluation of the national Cleanyourhands campaign to reduce Staphylococcus aureus bacteraemia and Clostridium difficile infection in hospitals in England and Wales by improved hand hygiene: four year, prospective, ecological, interrupted time series study. BMJ (Clinical research ed), 344. ISSN 0959-8138 DOI: https://doi.org/10.1136/bmj.e3005