biostudies-literatureUnknown34Dixit PTrends in anaesthesia & critical care42-43https://www.ebi.ac.uk/biostudies/studies/S-EPMC7318921biostudies-literatureUltrasound-guided central venous catheterization amid the COVID-19 outbreak: 'Revisiting protocols'.PMC7318921Ratre BKSirohiya PDixit PfalseUltrasound-guided central venous catheterization amid the COVID-19 outbreak: 'Revisiting protocols'.2020-01-01T00:00:00Z2020 Oct2026-04-08T09:46:25.055Z2025-04-05T19:42:49.78ZS-EPMC73189213862054010.1016/j.tacc.2020.06.009