NAEEM, Unaiza; EQBAL, Farea. 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://www.jpma.org.pk/index.php/public_html/article/view/3130. Acesso em: 27 jul. 2026.