ALRASHED, A.; MOHAMED, H. R. Patient out-of-pocket expenditure in primary care comparing high income, middle income and low-income countries. International journal of health sciences, [S. l.], v. 8, n. S1, p. 1365–1388, 2024. DOI: 10.53730/ijhs.v8nS1.15241. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/15241. Acesso em: 21 may. 2025.