7Scriba PC,Berger J.Health care research:the challenge initiative of the Federal Physicians'Board[J].Dtsch Med Wochenschr, 2007, 132(25-26): 1424-1426.
8vip JF,Helter MT,Morga A,et al. Cost- effectiveness of using continuous positive airway pressure in the treatment of severe obstructive sleep apnoea/hypopnoea syndrome in the UK[J]. Thorax, 2008,63(10): 860--865.
9O'Brien S,Gupta J,Najia S,et al.Update on female sterilisation: report from an international symposium on considerations for assessing long-term failure rates[J].J Fam Plann Reprod Health Care,2008,34(1): 13-18.
10Salvalaggio PR,Axelrod DA,Schnitzler MA. Invest now to save later: the need for a national quality improvement initiative to reduce the costs of liver transplantation in children[J]. Pediatr Transplant,2008,12(2): 123-124.
