Tarani Chandola, Jane Ferrie, Amanda Sacker, Michael Marmot
Chandola T, Ferrie J, Sacker A, Marmot M.
Social inequalities in self reported health in early old age: follow-up of prospective cohort study
BMJ 2007; :bmj;bmj.39167.439792.55v1
doi:10.1136/bmj.39167.439792.55