%0 Journal Article %T Remediation of chromium- and fluoride-contaminated groundwater by immobilized Citrobacter sp. on a nano-ZrO2 hybrid material %A Li, Xilin %A Fan, Ming %A Zhang, Ying %A Liu, Ling %A Yi, Fu %A Chang, Jinghua %A Li, Jian %J PLoS ONE %V 16 %N 6 %D 2021-06-23 %I Public Library of Science %~ DeepDyve