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Brophy, Sinead, Muhammad J. Husain, Steven Macey, Leila M. Pinder, Mark D. Atkinson, Roxanne Cooksey, Ceri J. Phillips, and Stefan Siebert. "HERALD (Health Economics Using Routine Anonymised Linked Data)." BMC Medical Informatics and Decision Making 12, no. 1 (2012).

Brophy, Sinead, et al. "HERALD (Health Economics Using Routine Anonymised Linked Data)." BMC Medical Informatics and Decision Making 12.1 (2012).