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Sunderland, Elsie M.; Hu, Xindi C.; Dassuncao, Clifton; Tokranov, Andrea K.; Wagner, Charlotte C.; Allen, Joseph G. . (2018). A review of the pathways of human exposure to poly- and perfluoroalkyl substances (PFASs) and present understanding of health effects. Journal of Exposure Science & Environmental Epidemiology, (), –. doi:10.1038/s41370-018-0094-1 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research