NAEEM, U.; EQBAL, F. Is the hygiene hypothesis a plausible explanation for the asymmetry in COVID-19 mortality?. Journal of the Pakistan Medical Association, [S. l.], v. 72, n. 4, p. 793–793, 2022. DOI: 10.47391/JPMA.3130. Disponível em: https://mail.jpma.org.pk/index.php/public_html/article/view/3130. Acesso em: 18 apr. 2025.