| Name | Info | Provider | Link |
|---|---|---|---|
| Hair Problems | free resource | MedlinePlus Health Information | https://medlineplus.gov/hairproblems.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=10971562.ui | |
| subscription/membership/fee required | Wiley | https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=1076-0512&date=2000&volume=26&issue=9&spage=874 | |
| subscription/membership/fee required | Wolters Kluwer | https://doi.org/10.1046/j.1524-4725.2000.00083.x |