| Name | Info | Provider | Link |
|---|---|---|---|
| Skin Pigmentation Disorders | free resource | MedlinePlus Health Information | https://medlineplus.gov/skinpigmentationdisorders.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=23106064.ui | |
| subscription/membership/fee required | Frontline Medical Communications Inc | http://www.jfponline.com/Pages.asp?AID=10818 |