http://www.channel4.com/news/articles/society/health/genes%20link%20to%20hip%20replacement%20joy/304777
http://www.manchestereveningnews.co.uk/news/s/1002/1002073_gene_hope_for_hip_op_patients.phpl
http://www.healthcentral.com/osteoarthritis/news-32911-31.phpl