Comment on

• Comparison of UK paediatric cardiac surgical performance by analysis of routinely collected data 1984-96: was Bristol an outlier?

  Aylin P, Alves B, Best N, Cook A, Elliott P, Evans SJ, Lawrence AE, Murray GD, Pollock J, Spiegelhalter D. Aylin P, et al. Lancet. 2001 Jul 21;358(9277):181-7. doi: 10.1016/S0140-6736(01)05404-6. Lancet. 2001. PMID: 11476833