Exposure of healthcare workers in England, Wales, and Northern Ireland to bloodborne viruses between July 1997 and June 2000: analysis of surveillance data
OBJECTIVE: To assess the effectiveness of tailored interventions to implement guidelines for urinary tract infections in women and sore throat. DESIGN: Unblinded, cluster randomised pretest-post-test
Objectives: To validate a self administered postal questionnaire appraising risk of coronary heart disease. To determine whether use of this questionnaire increased the percentage of people at high ri
