COVID-19(138) Patient(88) thrombosis(59) COVID-19 patient(42) COVID-19 patients(39) with COVID-19(39) SARS-CoV-2(35) coronavirus(34) thrombotic(32) Coronavirus disease 2019(30) Admission(30) patients with COVID-19(29) association(28) Coagulopathy(28) patients(28) coronavirus disease(28) Mortality(27) intensive care(26) disease(25) risk(25) positive(24) supplementary material(24) ICU(23) D-dimer(23) anticoagulation(22) management(22) Anticoagulant(22) incidence(22) Venous Thromboembolism(22) thrombosis.(21)