RT Journal Article SR Electronic T1 Determining Safe Excision Limits in FUE: Factors That Affect, and a Simple Way to Maintain, Aesthetic Donor Density JF International Society of Hair Restoration Surgery FD Publication of the International Society of Hair Restoration Surgery SP 1 OP 11 DO 10.33589/28.1.0001a VO 28 IS 1 A1 Sharon A. Keene A1 William R. Rassman A1 James A. Harris YR 2018 UL http://www.ISHRS-HTForum.org/content/28/1/1.2.abstract