6MePherson K, Bunker JP. Costs, Risks and Benefits of Surgery: a milestone in the development of health services research[J].J R Soc Med,2007,100(8):387-390.
7de Castro e Silva O. Surgery from experimental research to clinical application and vice-versa.Acta Cir Bras. 2006;21(Suppl 1):1-2.