RT Journal Article SR Electronic T1 Remembering Robert A. Berger, MD JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 111 OP 111 DO 10.33589/17.3.0111 VO 17 IS 3 A1 Barnett, Jay YR 2007 UL http://www.ISHRS-HTForum.org/content/17/3/111.abstract AB