Patricios, Jonathan SperidonMakdissi, Michael2016-04-182016-04-182015-06Patricios, JS & Makdissi, M 2015, 'Fifty shades of grey : concussion complexities and constructive conclusions', British Journal of Sports Medicine, vol. 49, no. 8, pp. 492-493.0306-3674 (print)1473-0480 (online)10.1136/bjsports-2014-094284http://hdl.handle.net/2263/52035Concussion remains prominent in the medical and scientific literature but its assessment and management remain somewhat ‘grey’ and ill defined. The key issues related to concussion are widely discussed in the public arena. While these discussions should contribute to an improved understanding of concussion in the broader community, confusing messages are being driven by different agendas.en© 2015 by the BMJ Publishing Group Ltd. All rights reserved.ConcussionConstructive conclusionsScientific literaturePostprint Article