RT Journal Article SR Electronic T1 More on Ridging JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 16 OP 16 DO 10.33589/3.5.0016 VO 3 IS 5 A1 Pomerantz, Marc YR 1993 UL http://www.ISHRS-HTForum.org/content/3/5/16.abstract AB