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Slater, Wendi; Sadler, Katharine; Cassell, Jackie A; Horner, Paddy; Low, Nicola (2007). What can be gained from comprehensive disaggregate surveillance? The Avon Surveillance System for Sexually Transmitted Infections. Sexually transmitted infections, 83(5), pp. 411-5. London: BMJ Publishing Group 10.1136/sti.2006.023440