RT Journal Article SR Electronic T1 Board Certification - ABHRS JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 46 OP 46 DO 10.33589/9.2.46a VO 9 IS 2 A1 Epstein, Edwin S. YR 1999 UL http://www.ISHRS-HTForum.org/content/9/2/46.1.abstract AB