{{Cite journal| doi = 10.1371/journal.pone.0120922| issn = 1932-6203| volume = 10| issue = 4| last1 = Alam| first1 = Nazmul| last2 = Hajizadeh| first2 = Mohammad| last3 = Dumont| first3 = Alexandre| last4 = Fournier| first4 = Pierre| title = Inequalities in maternal health care utilization in sub-Saharan African countries : a multiyear and multi-country analysis| journal = Plos One| date = 2015}}