RT Journal Article SR Electronic T1 Controversies: Dr. Knudsen’s Response JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 48 OP 49 DO 10.33589/21.2.0048a VO 21 IS 2 YR 2011 UL http://www.ISHRS-HTForum.org/content/21/2/48.1.abstract AB