PT - JOURNAL ARTICLE AU - Niklas Mattsson AU - Richard Montelius AU - Anders Holtz AU - Lisa Mouwitz AU - Kaj Blennow AU - Henrik Zetterberg TI - Coagulation of cerebrospinal fluid—the Nonne–Froin sign AID - 10.1136/practneurol-2012-000473 DP - 2013 Aug 01 TA - Practical Neurology PG - 273--274 VI - 13 IP - 4 4099 - http://pn.bmj.com/content/13/4/273.short 4100 - http://pn.bmj.com/content/13/4/273.full SO - Pract Neurol2013 Aug 01; 13