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Meinecke, Anna-Katharina; Welsing, Paco; Kafatos, George; Burke, Des; Trelle, Sven; Kubin, Maria; Nachbaur, Gaelle; Egger, Matthias; Zuidgeest, Mira (2017). Data collection in Pragmatic Trials. Journal of clinical epidemiology, 91, pp. 13-22. Elsevier 10.1016/j.jclinepi.2017.07.003
