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Significance of reactive oxygen species and antioxidants in defining the efficacy of sperm preparation techniques
reactive oxygen species antioxidants sperm preparation techniques
2009/2/23
The mechanisms responsible for mediating the influence of sperm preparation protocols on human sperm function have been investigated. Techniques that involved the separation of motile spermatozoa ...
An experimental study of the effect of ischemia on testicular structure in the rat. Efficacy of intravenous inosine
ischemia inosine microsurgery testis autotranspiantation
2009/2/20
The damages caused by experimental testicular ischemia lasting 60 minutes have been examined in the rat. The histologic alterations of the germinal epithelium and of the tunica propria are studied...
Efficacy and safety of sildenafil citrate for treatment of erectile dysfunction in a population with associated organic risk factors
Hypogonadism medication/lifestyle modifications
2008/12/29
The objective of this study was to determine the efficacy and safety of sildenafil in patients with erectile dysfunction (ED) and associated organic risk factors in a multispecialty clinic. Patien...
Comparison of Efficacy of Two Techniques for Testicular Sperm Retrieval in Nonobstructive Azoospermia：Multifocal Testicular Sperm Extraction Versus Multifocal Testicular Sperm Aspiration
Male infertility Sertoli cell only arrest of spermatogenesis hypospermatogenesis motility
2008/12/23
To compare the efficacy of 2 sperm-retrieval procedures, testicular sperm extraction (TESE) and testicular sperm aspiration (TESA), during the same procedure using the same subjects as their own con...
Efficacy of Vardenafil and Sildenafil in Facilitating Penile Erection in an Animal Model
Pelvic nerve-mediated erection intracavernosal pressure
2008/12/3
Vardenafil and sildenafil are potent and specific phosphodiesterase type 5 (PDE 5) inhibitors. In human penile cavernosal smooth muscle cells, we have previously shown that vardenafil has a lower bi...