Halo sign is neither sensitive nor specific for cerebrospinal fluid leak.
Department of Emergency Medicine, UPMC St. Margaret Hospital, Pittsburgh, PA.Annals of emergency medicine (Impact Factor: 4.33). 03/2009; 53(2):288. DOI: 10.1016/j.annemergmed.2008.06.474
- Journal of Emergency Medicine 09/2009; 42(2):e39-40. · 1.33 Impact Factor
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