Sousa-Pinto, Bernardo, and Luís Filipe Azevedo. “Critical Appraisal of a Systematic Review and Meta-Analysis: Performing Meta-Analysis and Addressing Heterogeneity”. Journal of the Portuguese Society of Anesthesiology 28, no. 3 (September 8, 2019): 187–191. Accessed October 20, 2024. https://revistas.rcaap.pt/anestesiologia/article/view/18503.