RT Journal Article SR Electronic T1 Literature Review: Biotin and Hair Loss: Valuable or Just “In Vogue”? JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 199 OP 199 DO 10.33589/27.5.0199 VO 27 IS 5 A1 Jeff Donovan YR 2017 UL http://www.ISHRS-HTForum.org/content/27/5/199.1.abstract AB