PT - JOURNAL ARTICLE AU - Greco, Joseph TI - Is It X-Factor or H-Factor? AID - 10.33589/4.3.0010 DP - 1994 May 01 TA - International Society of Hair Restoration Surgery PG - 10--11 VI - 4 IP - 3 4099 - http://www.ISHRS-HTForum.org/content/4/3/10.short 4100 - http://www.ISHRS-HTForum.org/content/4/3/10.full