Article info

Download PDFPDF
Cracking a complex problem


  1. Correspondence to Dr Joy Gough, Paediatrics, Evelina London Children’s Hospital, London SE1 7EH, UK; Joy.gough{at}
View Full Text


Gough J
Cracking a complex problem

Publication history

  • Received June 4, 2019
  • Revised July 23, 2019
  • Accepted August 10, 2019
  • First published August 20, 2019.
Online issue publication 
September 18, 2020

Article Versions

Request permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.