%0 Journal Article %A Niklas Mattsson %A Richard Montelius %A Anders Holtz %A Lisa Mouwitz %A Kaj Blennow %A Henrik Zetterberg %T Coagulation of cerebrospinal fluid—the Nonne–Froin sign %D 2013 %R 10.1136/practneurol-2012-000473 %J Practical Neurology %P 273-274 %V 13 %N 4 %U https://pn.bmj.com/content/practneurol/13/4/273.full.pdf