To What Extent Do Free Healthcare Policies and Performance-Based Financing Reduce Out-of-Pocket Expenditures for Outpatient services? Evidence From a Quasi-experimental Study in Bu... 由 Thit Thit Aye, Hoa Thi Nguyen, Stephan Brenner, Paul Robyn, Ludovic Tapsoba, Julia Lohmann, Manuela De Allegri

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