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3. No author stated. Osteoarthritis of the knee – NHS decision aid. sdm.rightcare.nhs.uk/pda/osteoarthritis-of-the-knee. NHS 2012 (accessed 9 Jan 2016).
4. NICE clinical guidelines – osteoarthritis: care and management;Baker,2012
5. NICE clinical guidelines – hip fracture: management;Swift,2011