The Impact of Portable High Efficiency Hepa Filters on the Incidence of Invasive Fungal Infection in COVID 19 Inpatients in a Tertiary Care Hospital: A Retrospective Analysis from Pakistan. Medical Forum Monthly, [S. l.], v. 34, n. 5, 2023. Disponível em: https://medicalforummonthly.com/index.php/mfm/article/view/205.. Acesso em: 26 dec. 2025.