RT Journal Article SR Electronic T1 Yoho and the Calvitron JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 21 OP 21 DO 10.33589/5.3.21 VO 5 IS 3 YR 1995 UL http://www.ISHRS-HTForum.org/content/5/3/21.abstract AB