Admission to an observational unit improves length of stay for patients with mild traumatic brain injuries Written by Halbert CA, Cipolle MD, Fulda GJ, Tinkoff GH, Pirrung JM, Kalina Mon February 1, 2015 Halbert CA, Cipolle MD, Fulda GJ, Tinkoff GH, Pirrung JM, Kalina M Am Surg 2015 Feb;81(2):178-81 PMID: 25642881 Abstract