Acosta Farina, Daniel, et al. “Dolor Abdominal Como Motivo De Consulta pediátrica Durante La Pandemia Del SARS-CoV-2 (COVID-19) En Guayaquil, Ecuador: Abdominal Pain As a Reason for Pedi-Atric Visiting During the SARS-CoV-2 (COVID-19) Pandemic in Guayaquil, Ecuador”. Archivos De Medicina, vol. 21, no. 1, Jan. 2021, pp. 257-65, https://doi.org/10.30554/archmed.21.1.3959.2021.