{{Cite journal| doi = 10.1186/s12939-017-0717-5| issn = 1475-9276| volume = 17| issue = 5| pages = –13 p.)| last1 = Ridde| first1 = Valéry| last2 = Leppert| first2 = Gerald| last3 = Hien| first3 = Hervé| last4 = Robyn| first4 = Paul Jacob| last5 = De Allegri| first5 = Manuela| title = Street-level workers’ inadequate knowledge and application of exemption policies in Burkina Faso jeopardize the achievement of universal health coverage: evidence from a cross-sectional survey| journal = International Journal for Equity in Health| access-date = 2018-01-17| date = 2018| url = https://equityhealthj.biomedcentral.com/articles/10.1186/s12939-017-0717-5}}