Kowark, A., Adam, C., & Henzler, D. (2018). Improve hip fracture outcome in the elderly patient (iHOPE): A study protocol for a pragmatic, multicentre randomised controlled trial to test the efficacy of spinal versus general anaesthesia. BMJ Open.
Chicago-referens (17:e uppl.)Kowark, Ana, Christian Adam, och Dietrich Henzler. "Improve Hip Fracture Outcome in the Elderly Patient (iHOPE): A Study Protocol for a Pragmatic, Multicentre Randomised Controlled Trial to Test the Efficacy of Spinal Versus General Anaesthesia." BMJ Open 2018.
MLA-referens (8:e uppl.)Kowark, Ana, et al. "Improve Hip Fracture Outcome in the Elderly Patient (iHOPE): A Study Protocol for a Pragmatic, Multicentre Randomised Controlled Trial to Test the Efficacy of Spinal Versus General Anaesthesia." BMJ Open, 2018.