%0 Journal Article %T Withdrawn: Filter clotting, anticoagulation and duration of sled in patients with COVID-19 and acute kidney injury %D 2021 %R 10.1136/jim-2021-SRMC.112.643wit %J Journal of Investigative Medicine %P 949-949 %V 69 %N 4 %U http://hw-f5-jim.highwire.org/content/jim/69/4/949.full.pdf