{{Cite journal| doi = 10.1186/s13561-018-0205-7| issn = 2191-1991| volume = 8| issue = 1| last1 = Beaugé| first1 = Yvonne| last2 = Koulidiati| first2 = Jean-Louis| last3 = Ridde| first3 = Valéry| last4 = Robyn| first4 = Paul Jacob| last5 = De Allegri| first5 = Manuela| title = How much does community-based targeting of the ultra-poor in the health sector cost? Novel evidence from Burkina Faso| journal = Health Economics Review| access-date = 2018-09-05| date = 2018-12| url = https://healtheconomicsreview.springeropen.com/articles/10.1186/s13561-018-0205-7}}