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Keller, Deborah S.; Berho, Mariana; Perez, Rodrigo O.; Wexner, Steven D.; Chand, Manish . (2020). The multidisciplinary management of rectal cancer. Nature Reviews Gastroenterology & Hepatology, (), –. doi:10.1038/s41575-020-0275-y 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research