Select Journal or Resource JAMA & Archives Home JAMA Archives of   Dermatology   Facial Plastic Surgery   Family Medicine (1992-2000)   General Psychiatry   Internal Medicine   Neurology   Neurology and Psychiatry (1919-1959)   Ophthalmology   Otolaryngology—Head & Neck Surgery   Pediatrics & Adolescent Medicine   Surgery JAMA-français JAMA & Archives CME Calendar of Events JAMA Career Center For The Media JAMAevidence Peer Review Congress Student JAMA (1998-2004)

	Institution: CLOCKSS  | My Account | E-mail Alerts | Access Rights | Sign In Vol. 8 No. 5, September 1999   Archives  •  Online Features Clinical Pearl  This Article  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Similar articles in this journal Biotin for Brittle Nails Arch Fam Med. 1999;8:377. Two thousand five hundred micrograms per day of biotin improved dry splitting nails for 63% of patients. The average time to noticeable results was 2 months. (Cutis. 1993;51:303-305.) HOME | CURRENT ISSUE | PAST ISSUES | TOPIC COLLECTIONS | CME | PHYSICIAN JOBS | HELP CONDITIONS OF USE | PRIVACY POLICY | CONTACT US | SITE MAP   © 1999 American Medical Association. All Rights Reserved.