1.
Singh S, Khera D, Chugh A, Khasbage S, Khera PS, Chugh VK. BCG vaccination impact on mortality and recovery rates in COVID-19: A meta-analysis. Monaldi Arch Chest Dis [Internet]. 2021 Aug. 9 [cited 2024 Nov. 24];91(4). Available from: https://www.monaldi-archives.org/macd/article/view/1875