{{Cite journal| doi = 10.1186/s12889-019-7049-x| issn = 1471-2458 (Electronic) 1471-2458 (Linking)| volume = 19| issue = 1| pages = 755| last1 = Brandenberger| first1 = J.| last2 = Tylleskar| first2 = T.| last3 = Sontag| first3 = K.| last4 = Peterhans| first4 = B.| last5 = Ritz| first5 = N.| title = A systematic literature review of reported challenges in health care delivery to migrants and refugees in high-income countries - the 3C model| journal = BMC Public Health| date = 2019-06-16| pmid = 31200684}}