ATHER, F. POLIO ERADICATION: THE BIGGEST PUBLIC HEALTH INTERVENTION. KHYBER MEDICAL UNIVERSITY JOURNAL, [S. l.], v. 4, n. 4, p. 147–148, 2012. Disponível em: https://www.kmuj.kmu.edu.pk/article/view/11381. Acesso em: 17 apr. 2024.