Review Article

1. Non-vitamin K antagonist oral anticoagulants for COVID-19 thrombosis

Original Articles

1. Comparative effect of intrathecal meperidine, tramadol, magnesium sulfate, and dexmedetomidine on preventing post-spinal anesthesia shivering and adverse events in hip fracture repair patients: A randomized clinical trial
2. Centralization and perceived control of COVID-19 during the pandemic: A cross-sectional study
3. Clinical and laboratory features of COVID-19 patients infected with SARS-CoV-2 variant B.1.1.7 versus those infected with other SARSCoV-2 strains: A retrospective observational study
4. Maternal death due to severe and critical COVID-19 in Qom, Iran: A case series

Case Reports

1. Near-fatal ferrous sulfate poisoning: A case report of successful conservative management
2. Gastric ultrasound-assisted diagnosis of undifferentiated shock: A case report

Letter to Editor

1. Blue-green crystals: A telltale sign of poorer outcome?