{{Cite journal| doi = 10.1053/ajem.2001.24488| issn = 0735-6757 (Print) 0735-6757 (Linking)| volume = 19| issue = 4| pages = 319–20| last1 = Exadaktylos| first1 = A. K.| last2 = Sclabas| first2 = G.| last3 = Siegenthaler| first3 = A.| last4 = Eggli| first4 = S.| last5 = Kohler| first5 = H. P.| last6 = Luterbacher| first6 = J.| title = Friday the 13th and full-moon: the "worst case scenario" or only superstition?| journal = Am J Emerg Med| date = 2001-07-12| pmid = 11447523}}