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Serigado Soares Da Costa, Joao M.; Quintero, Maria A.; Koru-Sengul, Tulay; Poveda, Julio; Damas, Oriana; Deshpande, Amar; Kerman, David; Abreu, Maria T. . (2019). Histology and Endoscopy Discordance in Inflammatory Bowel Disease Varies by Phenotype and Location of Disease. American Journal of Gastroenterology, 114(Supplement), S441–S442. doi:10.14309/01.ajg.0000592556.97251.70 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research