| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21672494/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/21672494 | |
| subscription/membership/fee required | Physicians Postgraduate Press, Inc. | http://www.psychiatrist.com/jcp/article/pages/2011/v72n09/v72n0915.aspx |