Limitations of administrative data to identify measles cases in Ontario, Canada: a cautionary tale
Johnson C, Chen C, Rosella L, Rilkoff H, Marchand-Austin A, Gubbay JB, Kozlowski T, Deeks SL, Mazzulli T, Crowcroft N. Can J Public Health. 2018; 109(1):3-7. Epub 2018 Feb 26.