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Lee, Eun Jung; Kim, Do Eun; Azeloglu, Evren U.; Costa, Kevin D. . (2008). Engineered Cardiac Organoid Chambers: Toward a Functional Biological Model Ventricle. Tissue Engineering Part A, 14(2), 215–225. doi:10.1089/tea.2007.0351 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research