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Ducharme R, Benchimol EI, Deeks SL, Hawken S, Fergusson DA, Wilson K. Validation of Diagnostic Codes for Intussusception and Quantification of Childhood Intussusception Incidence in Ontario, Canada: A Population-Based Study. The Journal of Pediatrics. 2013 Oct;163(4):1073–1079.e3. doi: 10.1016/j.jpeds.2013.05.034. |