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 4 (2007), Issue 5 (May)

1. How long do patients with erectile dysfunction continue to use sildenafil citrate? Dropout rate from treatment course as outcome in real life.
   Int J Urol, 14(4): 339-42; discussion 343. [Abstract] [Full-text]
2. Can sildenafil treat primary premature ejaculation? A prospective clinical study.
   Int J Urol, 14(4): 331-5. [Abstract] [Full-text]
3. Do vardenafil and tadalafil have advantages over sildenafil in the treatment of erectile dysfunction?
   Int J Impot Res, 19(3): 281-95. [Abstract] [Full-text]
4. Sildenafil citrate improves sperm motility but causes a premature acrosome reaction in vitro.
   Fertil Steril, 87(5): 1064-70. [Abstract] [Full-text]
5. Involvement of L-arginine-nitric oxide-cyclic guanosine monophosphate pathway in the antidepressant-like effect of venlafaxine in mice.
   Prog Neuropsychopharmacol Biol Psychiatry, 31(4): 921-5. [Abstract] [Full-text]
6. Nitrate cessation profiles in men wishing to use sildenafil citrate.
   Urology, 69(5): 946-9. [Abstract] [Full-text]
7. Assessment of heme oxygenase-1 (HO-1) activity in the cavernous tissues of sildenafil citrate-treated rats.
   Asian J Androl, 9(3): 377-81. [Abstract] [Full-text]
8. Multi-level modeling to explain methamphetamine use among gay and bisexual men.
   Addiction, 102: 76-83. [Abstract] [Full-text]
9. Nitric oxide and cGMP signaling in calcium-dependent development of cell polarity in Ceratopteris richardii.
   Plant Physiol, 144(1): 94-104. [Abstract] [Full-text]
10. Chronic sildenafil lowers transpulmonary gradient and improves cardiac output allowing successful heart transplantation.
    Eur J Heart Fail, 9(6): 674-7. [Abstract] [Full-text]
11. Is sildenafil citrate associated with an amelioration of the symptomatology of androgen decline in the aging male?
    J Urol, 177(6): 2267-71. [Abstract] [Full-text]
12. Prevalence of HIV infection and predictors of high-transmission sexual risk behaviors among men who have sex with men.
    Am J Public Health, 97(6): 1067-75. [Abstract] [Full-text]
13. Effect of sildenafil and rolipram on adrenergic responses in isolated human and monkey corpus cavernosum.
    Eur Urol, 52(1): 253-8. [Abstract] [Full-text]
14. Sildenafil citrate in the treatment of sexual dysfunction and its effect on quality of life in alcohol dependent men: preliminary findings.
    Alcohol Alcohol. [Abstract] [Full-text]

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