RT Journal Article SR Electronic T1 Presidential Address JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 1 OP 2 DO 10.33589/7.6.1 VO 7 IS 6 A1 Knudsen, Russell YR 1997 UL http://www.ISHRS-HTForum.org/content/7/6/1.abstract AB