?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=RL&rft.aulast=Knowles&rft.au=Knowles%2C+RL&rft.title=PLoS+ONE&rft.atitle=Modelling+Survival+and+Mortality+Risk+to+15+Years+of+Age+for+a+National+Cohort+of+Children+with+Serious+Congenital+Heart+Defects+Diagnosed+in+Infancy&rft.date=10+September+2014&rft.issue=8&rft.volume=9&rft.genre=article