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V. Giuntini; A. Vangelisti; C. Masucci; E. Defraia; J. A. Mcnamara Jr; L. Franchi. (2015). Treatment effects produced by the Twin-block appliance vs the Forsus Fatigue Resistant Device in growing Class II patients. , (), –. doi:10.2319/090514-624.1 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research