- Correspondence to: Elisabeth J Adams Statistics, Modelling and Economics Division, Communicable Disease Surveillance Centre, Health Protection Agency, 61 Colindale Avenue, London NW9 5EQ, UK;
- Accepted April 15, 2004
- First published September 30, 2004.
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- [View PDF] - Appendix 1: All studies that met the systematic review inclusion criteria, their extracted variables and computed prevalence (%, 95% CI), based on the reported number tested and positive.
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