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Lara-Mendes, Sônia T de O.; Barbosa, Camila de Freitas M.; Santa-Rosa, Caroline C.; Machado, Vinícius C. . (2018). Guided Endodontic Access in Maxillary Molars Using Cone-beam Computed Tomography and Computer-aided Design/Computer-aided Manufacturing System: A Case Report. Journal of Endodontics, (), S0099239918300888–. doi:10.1016/j.joen.2018.02.009 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research