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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKowark, Ana, Christian Adam, এবং 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিKowark, 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.