{{Cite journal| doi = 10.1136/bmjopen-2021-058077| issn = 2044-6055, 2044-6055| volume = 12| issue = 11| pages = –058077| last1 = Debe| first1 = Siaka| last2 = Ilboudo| first2 = Patrick G| last3 = Kabore| first3 = Lassane| last4 = Zoungrana| first4 = Noelie| last5 = Gansane| first5 = Adama| last6 = Ridde| first6 = Valéry| last7 = De Brouwere| first7 = Vincent| last8 = Kirakoya-Samadoulougou| first8 = Fati| title = Effects of the free healthcare policy on health services’ usage by children under 5 years in Burkina Faso: a controlled interrupted time-series analysis| journal = BMJ Open| access-date = 2023-01-17| date = 2022-11| url = https://bmjopen.bmj.com/lookup/doi/10.1136/bmjopen-2021-058077}}