Systematic Reviews
Copyright ©The Author(s) 2023.
World J Methodol. Sep 20, 2023; 13(4): 323-336
Published online Sep 20, 2023. doi: 10.5662/wjm.v13.i4.323
Figure 1
Figure 1 Selection and identification of relevant studies in databases. COVID: Coronavirus disease; PASC: Post-acute sequelae of severe acute respiratory syndrome coronavirus 2 infection; GI: Gastrointestinal.