RT Journal Article SR Electronic T1 International Advisory Board JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 3 OP 3 DO 10.33589/4.3.0003 VO 4 IS 3 A1 Knudson, Russell YR 1994 UL http://www.ISHRS-HTForum.org/content/4/3/3.abstract AB