RT Journal Article SR Electronic T1 The Hardy Perennial JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 34 OP 34 DO 10.33589/7.6.34 VO 7 IS 6 A1 Shiell, Richard YR 1997 UL http://www.ISHRS-HTForum.org/content/7/6/34.abstract AB