“CT Chest With Pulmonary Angiography As a Diagnostic Tool in Clinically Suspected RT-PCR-Negative COVID-19 Pneumonia With Pulmonary Artery Aneurysm”. Indian Journal of Case Reports, vol. 7, no. 3, Mar. 2021, pp. 79-82, https://doi.org/10.32677/IJCR.2021.v07.i03.002.