Osborne, A., Amara, P., M’Cormack-Hale, F., Kanu, M., Kanu, A., Yillah, R., Gooding, K. & Witter, S. 2025, 'The effectiveness of the Sierra Leone health sector’s response to COVID-19: a quantitative analysis', BMC Health Services Research, 25, article no: 367. https://doi.org/10.1186/s12913-025-12477-3