@article{sheehan2015-26330451,
  author  = {Sheehan, Rory and Hassiotis, Angela and Walters, Kate R and Osborn, David and Strydom, André and Horsfall, Laura},
  title   = {{Mental illness, challenging behaviour, and psychotropic drug prescribing in people with intellectual disability: UK population based cohort study}},
  journal = {BMJ},
  year    = {2015},
  doi     = {10.1136/bmj.h4326},
  pmid    = {26330451},
  url     = {https://doi.org/10.1136/bmj.h4326}
}