1. Safety of changing intravenous delivery systems at longer than 24 hour intervals;Band;Annals of Internal Medicine,1979
2. Contamination of intravenous fluid: effects of changing administration sets;Buxton;Annals of Internal Medicine,1979
3. Infection related to intravascular pressure monitoring: effects of flush and tubing changes;Covey;American Journal of Infection Control,1988
4. Safety First;Clark;Nursing Times,1994
5. Report on prevention of microbial contamination of medicinal products;Department of Health and Social Security Medicines Commission,1993