{{Cite journal| doi = 10.1371/journal.pone.0263041| issn = 1932-6203 (Electronic) 1932-6203 (Linking)| volume = 17| issue = 2| pages = –0263041| last1 = Hafner| first1 = C.| last2 = Schneider| first2 = J.| last3 = Schindler| first3 = M.| last4 = Braillard| first4 = O.| title = Visual aids in ambulatory clinical practice: Experiences, perceptions and needs of patients and healthcare professionals| journal = PLoS One| date = 2022-02-03| pmid = 35108328}}