{{Cite journal| doi = 10.1371/journal.pone.0213352| issn = 1932-6203| volume = 14| issue = 3| pages = –0213352| last1 = Schantz| first1 = Clémence| last2 = de Loenzien| first2 = Myriam| last3 = Goyet| first3 = Sophie| last4 = Ravit| first4 = Marion| last5 = Dancoisne| first5 = Aurélien| last6 = Dumont| first6 = Alexandre| others = Kelli K. Ryckman (ed.)| title = How is women’s demand for caesarean section measured? A systematic literature review| journal = PLOS ONE| access-date = 2019-03-07| date = 2019-03-06| url = http://dx.plos.org/10.1371/journal.pone.0213352}}