USMAN, Brig Javaid. SWINE FLU: SWINE FLU. Pakistan Armed Forces Medical Journal, [S. l.], v. 60, n. 1, p. 1–2, 2010. Disponível em: https://pafmj.org/PAFMJ/article/view/1783.. Acesso em: 8 apr. 2025.