COVID-19 CT severity score on CT pulmonary angiography (CTPA): Correlation with clinical disease severity and short-term prognosis. (September 2022) - Tsakok, Maria T.; Watson, Robert; Lumley, Sheila; Qamhawi, Zahi; Khan, Faraaz; Lodge, Archie; Xie, Cheng; Gleeson, Fergus; Benamore, Rachel