{{Cite journal| doi = 10.1136/bjsm.35.4.276| issn = 0306-3674 (Print) 1473-0480 (Electronic) 0306-3674 (Linking)| volume = 35| issue = 4| pages = 276–7| last1 = Exadaktylos| first1 = A.| last2 = Eggli| first2 = S.| last3 = Zimmermann| first3 = H.| title = The kick with the stick| journal = Br J Sports Med| date = 2001-07-31| pmid = 11477029}}