APMC, Editor. Letter to Editor. Annals of Punjab Medical College, [S. l.], v. 14, n. 2, p. 193, 2020. DOI: 10.29054/apmc/2020.1042. Disponível em: https://apmcfmu.com/index.php/apmc/article/view/1042. Acesso em: 2 mar. 2026.