RT Journal Article SR Electronic T1 Letter to the Editors JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 55 OP 55 DO 10.33589/31.2.55 VO 31 IS 2 A1 Carlos J. Puig YR 2021 UL http://www.ISHRS-HTForum.org/content/31/2/55.abstract AB