Additional file 1.

Table S1. International Classification of Diseases (ICD-9, ICD-10), the Canadian Classification of Diagnostic, Therapeutic and Surgical Procedures (CCP), and the Canadian Classification of Interventions (CCI) diagnosis/procedure codes used.

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Mehrabadi et al. BMC Pregnancy and Childbirth 2012 12:108   doi:10.1186/1471-2393-12-108