{{Cite journal| doi = 10.1186/s13561-021-00344-w| issn = 2191-1991| volume = 11| issue = 1| pages = 46| last1 = Petitfour| first1 = Laurène| last2 = Bonnet| first2 = Emmanuel| last3 = Mathevet| first3 = Isadora| last4 = Nikiema| first4 = Aude| last5 = Ridde| first5 = Valéry| title = Out-of-pocket payments and catastrophic expenditures due to traffic injuries in Ouagadougou, Burkina Faso| journal = Health Economics Review| access-date = 2022-02-21| date = 2021-12| url = https://healtheconomicsreview.biomedcentral.com/articles/10.1186/s13561-021-00344-w}}