RT Journal Article SR Electronic T1 From Canada JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 3 OP 5 DO 10.33589/4.1.3a VO 4 IS 1 A1 Unger, Walter P. YR 1994 UL http://www.ISHRS-HTForum.org/content/4/1/3.1.abstract AB