sci
hub

to open science
Tian, Yinping; Liu, Mingyi; Liu, Yaoyao; Shi, Changzheng; Wang, Yayu; Liu, Tong; Huang, Yi; Zhong, Peihua; Dai, Jian; Liu, Xiangning . (2020). The performance of <scp>3D</scp> bioscaffolding based on a human periodontal ligament stem cell printing technique. Journal of Biomedical Materials Research Part A, (), jbm.a.37114–. doi:10.1002/jbm.a.37114 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research