Sandset, Else Charlotte, Sanossian, Nerses, Woodhouse, Lisa J., Anderson, Craig, Berge, Eivind, Lees, Kennedy R., Potter, John F., Robinson, Thompson G., Sprigg, Nikola, Wardlow, Joanna M., Bath, Philip M.W., "Protocol for a prospective collaborative systematic review and meta-analysis of individual patient data from randomised controlled trials of vasoactive drugs in acute stroke: the Blood pressure in Acute Stroke Collaboration, stage-3", International Journal of Stroke, 2018