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 2 (February)

1. Hyperoxia increases phosphodiesterase 5 expression and activity in ovine fetal pulmonary artery smooth muscle cells.
   Circ Res, 102(2): 226-33. [Abstract] [Full-text]
2. Return of nocturnal erections and erectile function after bilateral nerve-sparing radical prostatectomy in men treated nightly with sildenafil citrate: subanalysis of a longitudinal randomized double-blind placebo-controlled trial.
   J Sex Med, 5(2): 476-84. [Abstract] [Full-text]
3. Giving patients with erectile dysfunction the opportunity to try all three available phosphodiesterase type 5 inhibitors contributes to better long-term treatment compliance.
   J Sex Med, 5(2): 469-75. [Abstract] [Full-text]
4. Evaluating the sexual experience in men: validation of the sexual experience questionnaire.
   J Sex Med, 5(2): 365-76. [Abstract] [Full-text]
5. Role of K+ and Ca2+ fluxes in the cerebroarterial vasoactive effects of sildenafil.
   Eur J Pharmacol, 581(1): 138-47. [Abstract] [Full-text]
6. Sildenafil inhibits duodenal contractility via activation of the NO-K+ channel pathway.
   Fundam Clin Pharmacol, 22(1): 61-7. [Abstract] [Full-text]
7. Cardiovascular outcomes among sildenafil users: results of the International Men's Health Study.
   Int J Clin Pract, 62(3): 367-73. [Abstract] [Full-text]
8. Identification of a novel vardenafil analogue in herbal product.
   J Pharm Biomed Anal, 46(4): 804-7. [Abstract] [Full-text]
9. Structure elucidation of a novel synthetic thiono analogue of sildenafil detected in an alleged herbal aphrodisiac.
   J Pharm Biomed Anal, 46(4): 814-7. [Abstract] [Full-text]
10. Sildenafil Use in a Symptomatic Neonate with Severe Ebstein's Anomaly of the Tricuspid Valve.
    Am J Perinatol, 25(2): 125-8. [Abstract] [Full-text]
11. Selective PDE inhibitors rolipram and sildenafil improve object retrieval performance in adult cynomolgus macaques.
    Psychopharmacology (Berl), 196(4): 643-8. [Abstract] [Full-text]
12. Sildenafil reduces alcohol-induced gastric damage: just say 'NO'.
    Br J Pharmacol, 153(4): 623-4. [Abstract] [Full-text]
13. Role of the NO/cGMP/K(ATP) pathway in the protective effects of sildenafil against ethanol-induced gastric damage in rats.
    Br J Pharmacol, 153(4): 721-7. [Abstract] [Full-text]
14. Correlation Between Flow-Mediated Dilation and Erectile Dysfunction.
    J Cardiovasc Pharmacol, 51(2): 148-153. [Abstract] [Full-text]
15. Intrathecally injected morphine inhibits inflammatory paw edema: the involvement of nitric oxide and cyclic-guanosine monophosphate.
    Anesth Analg, 106(3): 965-71, table of contents. [Abstract] [Full-text]
16. Bilateral cerebral hemispheric infarction associated with sildenafil citrate (Viagra) use.
    Eur J Neurol, 15(3): 306-8. [Abstract] [Full-text]
17. Nitric oxide/cGMP protects endothelial cells from hypoxia-mediated leakiness.
    Eur J Cell Biol, 87(3): 147-61. [Abstract] [Full-text]
18. Preclinical evidence that sildenafil and vardenafil activate chloride transport in cystic fibrosis.
    Am J Respir Crit Care Med, 177(5): 506-15. [Abstract] [Full-text]
19. Mechanistic analysis of pH-dependent solubility and trans-membrane permeability of amphoteric compounds: Application to sildenafil.
    Int J Pharm, 352(1): 217-24. [Abstract] [Full-text]
20. Phosphodiesterase type 5 inhibition reverses impaired forearm exercise-induced vasodilatation in hypertensive patients.
    J Hypertens, 26(3): 501-7. [Abstract] [Full-text]
21. Quality of erections in men treated with flexible-dose sildenafil for erectile dysfunction: multicenter trial with a double-blind, randomized, placebo-controlled phase and an open-label phase.
    J Sex Med, 5(3): 726-34. [Abstract] [Full-text]
22. Effect of sildenafil citrate (Viagra) and ethanol on the Albino rat testis: A scanning electron microscopic approach.
    Cell Biol Int, 32(2): 293-7. [Abstract] [Full-text]
23. Lower urinary tract symptoms and sexual dysfunction: a common approach.
    BJU Int, 101: 22-6. [Abstract] [Full-text]

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