Viagra Research Today is a free monthly online journal that collates and summarizes the latest research about Viagra, including details on sildenafil, erectile dysfunction, impotence, side-effects, alternatives.

Volume 5 (2008), Issue 6 (June)

1. Nitric oxide signaling pathway in the anti-convulsant effect of adenosine against pentylenetetrazol-induced seizure threshold in mice.
   Eur J Pharmacol, 587(1): 129-34. [Abstract] [Full-text]
2. Off-line HPLC method combined to LC-MS for the determination of sildenafil and its active metabolite in post-mortem human blood according to confirmation criteria.
   Forensic Sci Int, 178(2): 192-8. [Abstract] [Full-text]
3. Sildenafil acts on the central nervous system increasing sympathetic activity.
   J Appl Physiol, 104(6): 1683-9. [Abstract] [Full-text]
4. Comparative cross-over study of sildenafil and apomorphine for treating erectile dysfunction.
   BJU Int. [Abstract] [Full-text]
5. Therapeutic potential of RhoA/Rho kinase inhibitors in pulmonary hypertension.
   Br J Pharmacol. [Abstract] [Full-text]
6. Vardenafil, but not sildenafil or tadalafil, has calcium-channel blocking activity in rabbit isolated pulmonary artery and human washed platelets.
   Br J Pharmacol, 154(4): 787-96. [Abstract] [Full-text]
7. Secondary syphilis with ocular manifestations in older adults.
   Clin Infect Dis, 46(12): e142-5. [Abstract] [Full-text]
8. Circulating endothelial progenitor cells in patients with Eisenmenger syndrome and idiopathic pulmonary arterial hypertension.
   Circulation, 117(23): 3020-30. [Abstract] [Full-text]
9. The effect of saffron, Crocus sativus stigma, extract and its constituents, safranal and crocin on sexual behaviors in normal male rats.
   Phytomedicine, 15(6): 491-5. [Abstract] [Full-text]
10. An open-label pilot study to evaluate the efficacy of sildenafil citrate in middle-aged men with late-onset dysthymia.
    J Nerv Ment Dis, 196(6): 496-500. [Abstract] [Full-text]
11. Negative impact of metabolic syndrome on the responsiveness to sildenafil in Japanese men.
    J Sex Med, 5(6): 1443-50. [Abstract] [Full-text]
12. Alternate-day tadalafil in the management of honeymoon impotence.
    J Sex Med, 5(6): 1451-4. [Abstract] [Full-text]
13. Salivary 8-OHdG: a useful biomarker for predicting severe ED and hypogonadism.
    J Sex Med, 5(6): 1482-91. [Abstract] [Full-text]
14. The Effectiveness of Psychological Interventions for the Treatment of Erectile Dysfunction: Systematic Review and Meta-Analysis, Including Comparisons to Sildenafil Treatment, Intracavernosal Injection, and Vacuum Devices.
    J Sex Med. [Abstract] [Full-text]
15. Effect of Sildenafil Citrate on the Male Sexual Experience Assessed with the Sexual Experience Questionnaire: A Multicenter, Double-Blind, Placebo-Controlled Trial with Open-Label Extension.
    J Sex Med. [Abstract] [Full-text]
16. Clinical and Psychosocial Factors Associated with Quality of Life in Alcohol-Dependent Men with Erectile Dysfunction.
    J Sex Med. [Abstract] [Full-text]
17. Role of smooth muscle cGMP/cGKI signaling in murine vascular restenosis.
    Arterioscler Thromb Vasc Biol, 28(7): 1244-50. [Abstract] [Full-text]
18. Sildenafil augments the beneficial hemodynamic and histopathological effects of amlodipine in nitric oxide-deficient hypertensive rats: Role of nitric oxide-cyclic GMP pathway.
    Pharmacol Res. [Abstract] [Full-text]
19. NO-mediated cGMP synthesis in cultured cholinergic neurons from the basal forebrain of the fetal rat.
    Brain Res, 1217: 25-36. [Abstract] [Full-text]
20. Analysis of six synthetic adulterants in herbal weight-reducing dietary supplements by LC electrospray ionization-MS.
    Food Addit Contam, 25(7): 822-30. [Abstract] [Full-text]
21. The Effects of Sildenafil Citrate on Ischemic Colonic Anastomotic Healing in Rats: Its Relationship Between Nitric Oxide and Oxidative Stress.
    World J Surg. [Abstract] [Full-text]

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