{{Cite journal| doi = 10.1186/s12913-021-06331-5| issn = 1472-6963| volume = 21| issue = 1| pages = 313| last1 = Bousmah| first1 = Marwân-al-Qays| last2 = Nishimwe| first2 = Marie Libérée| last3 = Kuaban| first3 = Christopher| last4 = Boyer| first4 = Sylvie| title = Free access to antiretroviral treatment and protection against the risk of catastrophic health expenditure in people living with HIV: evidence from Cameroon| journal = BMC Health Services Research| date = 2021-04-07}}