| partnersagainstpain.com | Partners Against Pain |
| painfoundation.org | American Pain Foundation |
| aapainmanage.org | American Academy of Pain Management |
| painmed.org | American Academy of Pain Medicine |
| paincare.org | National Foundation for the Treatment of Pain |
| iasp-pain.org | International Association for the Study of Pain |
| pain.com | Worldwide Congress on Pain |
| painconnection.org | The National Pain Foundation |
| wisc.edu | Pain and Policy Studies Group - University of Wisconsin |
| aaop.org | American Academy of Orofacial Pain |
| painmed.org | www.painmed.org/ |
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