Scientific journal publication CSF sodium at toxic levels precedes delirium in hip fracture patients Hassel, Bjørnar; Mariussen, Espen; Idland, Ane-Victoria; Dahl, Gry Torsæter; Ræder, Johan; Frihagen, Frede Jon; Berg, Jens Petter; Chaudhry, Farrukh Abbas; Wyller, Torgeir Bruun; Watne, Leiv Publication details Journal: Neurotoxicology, vol. 69, 11–16, 2018 Doi: doi.org/10.1016/j.neuro.2018.08.010