Meyers J, Classi P, Wietecha L, Candrilli S. Economic burden and comorbidities of attention-deficit/hyperactivity disorder among pediatric patients hospitalized in the United States. Child Adolesc Psychiatry Ment Health. 2010 Dec 1;4:31.
Vickers AD, Rotherham ID, Rose J. Vegetation succession and colonisation rates at the forest edge under different environmental conditions. Ann Appl Biol. 2000;58:1-8.
Vickers AD, Rotherham ID. The response of Bluebell (Hyacinthoides non-scripta) to seasonal differences between years and woodland management. Ann Appl Biol. 2000;58:351-6.