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Weerapong, Kritsada; Sirimongkolwattana, Siripong; Sastraruji, Thanapat; Khongkhunthian, Pathawee . (2018). Comparative study of immediate loading on short dental implants and conventional dental implants in the posterior mandible: A randomized clinical trial. The International Journal of Oral & Maxillofacial Implants, (), –. doi:10.11607/jomi.6732 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research