@article{heckman2007-18044137,
  author  = {Heckman, G. A. and Patterson, C. J. and Demers, C. and St Onge, J. and Turpie, I. D. and McKelvie, R. S.},
  title   = {{Heart failure and cognitive impairment: challenges and opportunities}},
  journal = {Clinical interventions in aging},
  year    = {2007},
  pmid    = {18044137}
}