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Witter , Sophie and Adjei, Sam and Armar-Klemesu, Margaret and Graham, Wendy (2009) Providing free maternal health care: ten lessons from an evaluation of the national delivery exemption policy in Ghana. Global Health Action, 2 . ISSN 1654-9880
Witter , Sophie and Armar-Klemesu, Margaret and Dieng, Thierno (2008) National fee exemption schemes for deliveries: comparing the recent experiences of Ghana and Senegal. Studies in Health Services Organisation and Policy series, 24 . pp. 167-198.