PT - JOURNAL ARTICLE AU - Cole, John P. TI - Maximizing Donor Hair Yield by Understanding the Geometry of Donor Hair Exit Angles and the Application of Trigonometric Functions to the Donor Area AID - 10.33589/10.6.0173 DP - 2000 Nov 01 TA - International Society of Hair Restoration Surgery PG - 173--175 VI - 10 IP - 6 4099 - http://www.ISHRS-HTForum.org/content/10/6/173.short 4100 - http://www.ISHRS-HTForum.org/content/10/6/173.full