MELCHOR SÁNCHEZ, María Isabel. The Impact of COVID-19 on U.S. Medical Tourism to Mexico. The Case of Tijuana, Baja California (2020-2021). Norteamérica, Revista Académica del CISAN-UNAM, [S. l.], v. 18, n. 1, 2023. DOI: 10.22201/cisan.24487228e.2023.1.627. Disponível em: https://www.revistanorteamerica.unam.mx/index.php/nam/article/view/627. Acesso em: 30 apr. 2025.