RT Journal Article SR Electronic T1 American Board of Hair Restoration Surgery JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 18 OP 20 DO 10.33589/7.4.18b VO 7 IS 4 A1 Friedman, Shelly A. YR 1997 UL http://www.ISHRS-HTForum.org/content/7/4/18.2.abstract AB