We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAn improved laboratory protocol to assess subarachnoid haemorrhage in patients with negative cranial CT scan.AuthorsApperloo JJ; van der Graaf F; Dellemijn PL; Vader HLPublicationClinical chemistry and laboratory medicine, 2006, Vol 44, Issue 8, p938ISSN1434-6621Publication typearticleDOI10.1515/CCLM.2006.171