{{Cite journal| doi = 10.1016/j.ejim.2021.02.014| issn = 1879-0828 (Electronic) 0953-6205 (Linking)| volume = 88| pages = 139–140| last1 = Lumala| first1 = A.| last2 = Kellett| first2 = J.| last3 = Alsma| first3 = J.| last4 = Nickel| first4 = C. H.| title = Is the "beach position" of value during the "eyeball" assessment of patients?| journal = Eur J Intern Med| date = 2021-03-09| pmid = 33678519}}