RT Journal Article SR Electronic T1 Research JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 13 OP 13 DO 10.33589/3.4.0013a VO 3 IS 4 A1 James E. Vogel YR 1993 UL http://www.ISHRS-HTForum.org/content/3/4/13.2.abstract AB