“Low-Dose-Whole-Lung Radiotherapy for Older Patients With Coronavirus Disease (Covid-19) Pneumonia: A Phase I-II Prospective Non-Randomized Protocol by the International Geriatric Radiotherapy Group”. Archives of Clinical and Biomedical Research 5, no. 2 (April 1, 2021): 201–213. Accessed September 17, 2026. https://fortunejournals.org/ojs/index.php/acbr/article/view/14827.