Effect of Covid-19 on Medical Education and Examination: A Cross-Sectional Survey across Medical Colleges of Pakistan. European Journal of Medical and Health Sciences, [S. l.], v. 4, n. 1, p. 90–92, 2022. DOI: 10.24018/ejmed.2022.4.1.1218. Disponível em: https://ej-med.org/index.php/ejmed/article/view/1218. Acesso em: 11 oct. 2025.