Drupal-Bibcite31<style face="normal" font="default" size="100%">Head positioning and blood pressure variability in acute ischaemic and haemorrhagic stroke: a post-hoc analysis of the HeadPoST study</style><style face="normal" font="default" size="100%">Head positioning and blood pressure variability in acute ischaemic and haemorrhagic stroke: a post-hoc analysis of the HeadPoST study</style>