Bhavnani Bhagu R, Stanczyk Frank Z
Department of Obstetrics and Gynecology, University of Toronto, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada.
J Clin Endocrinol Metab. 2012 Mar;97(3):756-9. doi: 10.1210/jc.2011-2492. Epub 2011 Dec 28.