Inequality in COVID-19 vaccine acceptance and uptake: A repeated cross-sectional analysis of COVID vaccine acceptance and uptake in 13 countries.
Abel ZD. et al, (2025), Health Policy, 153
Access to healthcare services during the COVID-19 pandemic: a cross-sectional analysis of income and user-access across 16 economically diverse countries.
Abel ZDV. et al, (2024), BMC Public Health, 24