{{Cite journal| doi = 10.1016/j.ejogrb.2021.11.004| issn = 1872-7654 (Electronic) 0301-2115 (Linking)| volume = 268| pages = 48–55| last1 = Giacalone| first1 = S.| last2 = Kottmann| first2 = A.| last3 = Darioli| first3 = V.| last4 = Carron| first4 = P. N.| last5 = Desseauve| first5 = D.| last6 = Albrecht| first6 = R.| last7 = Pasquier| first7 = M.| title = Clinical characteristics and haemodynamic state of patients undergoing interhospital transfer for postpartum haemorrhage: A study of a single-centre helicopter emergency medical service| journal = Eur J Obstet Gynecol Reprod Biol| date = 2021-11-21| pmid = 34800817}}