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Amjad Ali;Zizhen Wu;Min Li;Junfeng Su;. (2021). Carbon to nitrogen ratios influence the removal performance of calcium, fluoride, and nitrate by Acinetobacter H12 in a quartz sand-filled biofilm reactor . Bioresource Technology, (), –. doi:10.1016/j.biortech.2021.125154 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research