. Author manuscript; available in PMC: 2013 Dec 9.
Published in final edited form as: Asian J Androl. 2008 Jul;10(4):10.1111/j.1745-7262.2008.00410.x. doi: 10.1111/j.1745-7262.2008.00410.x
© 2008, Asian Journal of Andrology, SIMM and SJTU. All rights reserved.