RT Journal Article SR Electronic T1 Birmingham, Alabama JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 1 OP 2 DO 10.33589/4.2.0001a VO 4 IS 2 A1 Knudson, Russell YR 1994 UL http://www.ISHRS-HTForum.org/content/4/2/1.2.abstract AB