Citazione APA

Fowler, C., Miller, J., Sharief, M., Hussain, I., Stecher, V., & Sweeney, M. (2005). A double blind, randomised study of sildenafil citrate for erectile dysfunction in men with multiple sclerosis. BMJ Group.

Stile di citazione Chicago

Fowler, C., J. Miller, M. Sharief, I. Hussain, V. Stecher, e M. Sweeney. A Double Blind, Randomised Study of Sildenafil Citrate for Erectile Dysfunction in Men With Multiple Sclerosis. BMJ Group, 2005.

Citazione MLA

Fowler, C., et al. A Double Blind, Randomised Study of Sildenafil Citrate for Erectile Dysfunction in Men With Multiple Sclerosis. BMJ Group, 2005.

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