Relationship between oxidative stress, semen characteristics, and clinical diagnosis in men undergoing infertility investigation  Fabio F Pasqualotto,

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Relationship between oxidative stress, semen characteristics, and clinical diagnosis in men undergoing infertility investigation  Fabio F Pasqualotto, M.D., Rakesh K Sharma, Ph.D., David R Nelson, M.S., Anthony J Thomas, M.D., Ashok Agarwal, Ph.D.  Fertility and Sterility  Volume 73, Issue 3, Pages 459-464 (March 2000) DOI: 10.1016/S0015-0282(99)00567-1

Figure 1 Relationship between ROS and sperm concentration (r) within four groups of patients: (A) varicocele, (B) vasectomy reversal, (C) idiopathic infertility, and (D) varicocele associated with infection. Pasqualotto. Oxidative stress. Fertil Steril 2000. Fertility and Sterility 2000 73, 459-464DOI: (10.1016/S0015-0282(99)00567-1)