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Thokala, Praveen; Dixon, Simon; Jahn, Beate . (2015). Resource Modelling: The Missing Piece of the HTA Jigsaw?. PharmacoEconomics, 33(3), 193–203. doi:10.1007/s40273-014-0228-9 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research