Pyrexia of Unknown Origin: Current Perspectives. International Journal of Biomedical Research, [S. l.], v. 10, n. 1, p. e4987, 2019. DOI: 10.7439/ijbr.v10i1.4987. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/4987. Acesso em: 16 feb. 2026.