1. Withania somnifera improves semen quality by regulating reproductive hormone levels and oxidative stress in seminal plasma of infertile males 
Mohammad Kaleem Ahmad, M.Sc., Abbas Ali Mahdi, M.A., M.S., Ph.D., Kamla Kant Shukla, M.Sc., Najmul Islam, Ph.D., Singh Rajender, Ph.D., Dama Madhukar, M.V.Sc., Satya Narain Shankhwar, M.Ch., Sohail Ahmad, M.D. 
Fertility and Sterility 
Volume 94, Issue 3, Pages (August 2010)
DOI: /j.fertnstert
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Receiver's operating characteristic (ROC) curves showing the diagnostic value of different hormones: the ROC curves were constructed assuming low values of LH and T (left) and high values of FSH and PRL (right) to indicate positive test for infertility.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions