Antipsychotic and benzodiazepine use among nursing home residents: findings from the 2004 National Nursing Home Survey.
American Journal of Geriatric Psychiatry
http://www.ncbi.nlm.nih.gov/pubmed/?term=Antipsychotic%20and%20benzodiazepine%20use%20among%20nursing%20home%20residents%3A%20findings%20from%20the%202004%20National%20Nursing%20Home%20Survey.