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Sun, Penghui; Han, Yanjiang; Zhu, Yun; Hu, Kongzhen; Huang, Shun; Tan, Jianer; Wang, Meng; Wu, Hubing; Tang, Ganghua . (2020). Radiosynthesis and biological evaluation of fluorine-18 labeled N-acetylgalactosamine derivative [18F]FPGalNAc for PET imaging of asialoglycoprotein receptor-positive tumors. Nuclear Medicine and Biology, 88-89(), 1–9. doi:10.1016/j.nucmedbio.2020.06.003 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research