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Kim, Dong Min; Kim, Tae Hyung; Kholinne, Erica; Park, Jeong Hee; Shin, Myung Jin; Kim, Hyojune; Park, Dongjun; Jeon, In-Ho; Koh, Kyoung Hwan . (2020). Minimal Clinically Important Difference, Substantial Clinical Benefit, and Patient Acceptable Symptomatic State After Arthroscopic Rotator Cuff Repair. The American Journal of Sports Medicine, (), 036354652094386–. doi:10.1177/0363546520943862 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research