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Lee, Jooyoung; Oh, Seung Ja; An, Sang Hyun; Kim, Wan Doo; Kim, Sangheon . (2020). Machine learning-based design strategy for 3D-printable bioink: elastic modulus and yield stress determine printability. Biofabrication, (), –. doi:10.1088/1758-5090/ab8707 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research