Moultrie, ChrisCorfield, AlasdairPell, J.Mackay, Daniel2021-09-032021-09-032017-05-21Moultrie, C.E.J. et al, 2017. Frontiers of performance: using a mathematical model to discover unobservable performance limits in a pre-hospital and retrieval service. BMJ Open, 7 (Suppl. 3), 7.2044-605510.1136/bmjopen-2017-EMSabstracts.45http://hdl.handle.net/20.500.12417/1179We aimed to establish if a validated computer model could derive otherwise unobservable performance limits for a physician-led pre-hospital and retrieval service. https://bmjopen.bmj.com/content/7/Suppl_3/A18.1 This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. http://creativecommons.org/licenses/by-nc/4.0/ DOI http://dx.doi.org/10.1136/bmjopen-2017-EMSabstracts.45enEmergency Medical ServicesPre-hospitalModels, TheoreticalClinical Protocols