Tretinoin (Anti-Wrinkle), Topical: References

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Tretinoin (Topical). Lexi-Comp ONLINE, 2015 Lexi-Comp, Inc. Accessed May 5, 2015 from http://online.lexi.com.

Tretinoin. DRUGDEX System. 2015 Truven Health Analytics Inc. Accessed May 5, 2015 from http://www.thomsonhc.com.