RT Journal Article SR Electronic T1 Editors' Messages JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 67 OP 67 DO 10.33589/9.3.67a VO 9 IS 3 A1 Knudsen, Russell YR 1999 UL http://www.ISHRS-HTForum.org/content/9/3/67.1.abstract AB