O. Collins

Improvement in erectile function on vardenafil treatment correlates with treatment satisfaction in both patients and their partners

G. Hackett, I. Eardley, D. Ralph, 2007, BJU international.

Vardenafil improves sexual function and treatment satisfaction in couples affected by erectile dysfunction (ED): a randomized, double-blind, placebo-controlled trial in PDE5 inhibitor-naïve men with ED and their partners.

G. Hackett, J. Curram, D. Edwards, 2006, The journal of sexual medicine.

Vardenafil provides reliable efficacy over time in men with erectile dysfunction.

F. Montorsi, W. Hellstrom, I. Eardley, 2004, Urology.

A multicentre, randomized, double‐blind, placebo‐controlled study to evaluate the efficacy, tolerability and safety of two doses of metrifonate in patients with mild‐to‐moderate Alzheimer's disease: the MALT study

I. McKeith, J. Orgogozo, B. Dubois, 1999, International journal of geriatric psychiatry.

A multicentre, randomized, double‐blind, placebo‐controlled study to evaluate the efficacy, tolerability and safety of two doses of metrifonate in patients with mild‐to‐moderate Alzheimer's disease: the MALT study

I. McKeith, J. Orgogozo, D. Meulien, 1999, International journal of geriatric psychiatry.