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Pellinen, Riikka; Hakkarainen, Tanja; Wahlfors, Tiina; Tulimäki, Kirsi; Ketola, Anna; Tenhunen, Anni; Salonen, Tuula; Wahlfors, Jarmo . (2004). Cancer cells as targets for lentivirus-mediated gene transfer and gene therapy. International Journal of Oncology, (), –. doi:10.3892/ijo.25.6.1753 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research