1. The association between obesity and disability in survivors of joint surgery: analysis of the health and retirement study 
T.G. Gaulton, L.A. Fleisher, M.D. Neuman 
British Journal of Anaesthesia 
Volume 120, Issue 1, Pages (January 2018)
DOI: /j.bja
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2. Fig 1
Creation of analytical dataset. HRS, Health and Retirement Study.
British Journal of Anaesthesia  , DOI: ( /j.bja )
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