Fulton RL, McMurdo MET, Hill A, Abboud RJ, Arnold GP, Struthers AD, Khan F, Witham MD. Vitamin K to improve markers of vascular health and physical function in older people with vascular disease – A randomised controlled trial: Age and Ageing 2014; 43 Witham MD, Fulton RL, Greig C, Johnston DW, Lang CC, van der Pol, M, Bowers D, Struthers AD, McMurdo MET. Efficacy and cost of an Exercise Program for functionally Impaired Older Patients with Heart Failure: a Randomised Controlled Trial: Circ Heart Failure 2012; 5: 209 Fulton RL, Witham MD, Greig C, Johnston DW, Lang CC, Van der Pol M, Struthers AD, McMurdo MET. A randomised controlled trial of exercise training for older heart failure patients. Age Ageing 2011;40:119. Speight KA, Witham MD, Fulton RL, Johnston DW, Lang CC, Struthers AD, McMurdo MET. Comparison of endurance shuttle walk test and six-minute walk test in older heart failure patients. Age Ageing 2011;40:118. Witham MD, Fulton RL, Wilson L, Leslie CA, McMurdo MET. Validation of an individualised quality of life measure in older day hospital patients: Health and Quality of Life Outcomes 2008, 6:27