1. Early neurological deterioration after subarachnoid haemorrhage: risk factors and impact on outcome Helbok, Raimund; Kurtz, Pedro; Vibbert, Matthew; Schmidt, Michael J.; Fernandez, Luis D.; Lantigua, Hector F.; Ostapkovich, Noeleen D.; Connolly, Sander E.; Lee, Kiwon; Claassen, Jan; Mayer, Stephan; Badjatia, Neeraj 2012 Articles NeurosciencesEpidemiologyMedicine