APA

Pomara G., Canale D., Turchi P. & Francesca F. (20080911). Re: Wayne J.G. Hellstrom, Marc Gittelman, Jonathan Jarow, et al. an evaluation of semen characteristics in men 45 years of age or older after daily dosing with tadalafil 20 mg: results of a multicenter, randomized, double-blind, placebo-controlled, 9-month study. Eur Urol 2008;53:1058-65. : European urology.

Chicago

Pomara Giorgio, Canale Domenico, Turchi Paolo and Francesca Francesco. 20080911. Re: Wayne J.G. Hellstrom, Marc Gittelman, Jonathan Jarow, et al. an evaluation of semen characteristics in men 45 years of age or older after daily dosing with tadalafil 20 mg: results of a multicenter, randomized, double-blind, placebo-controlled, 9-month study. Eur Urol 2008;53:1058-65. : European urology.

Harvard

Pomara G., Canale D., Turchi P. and Francesca F. (20080911). Re: Wayne J.G. Hellstrom, Marc Gittelman, Jonathan Jarow, et al. an evaluation of semen characteristics in men 45 years of age or older after daily dosing with tadalafil 20 mg: results of a multicenter, randomized, double-blind, placebo-controlled, 9-month study. Eur Urol 2008;53:1058-65. : European urology.

MLA

Pomara Giorgio, Canale Domenico, Turchi Paolo and Francesca Francesco. Re: Wayne J.G. Hellstrom, Marc Gittelman, Jonathan Jarow, et al. an evaluation of semen characteristics in men 45 years of age or older after daily dosing with tadalafil 20 mg: results of a multicenter, randomized, double-blind, placebo-controlled, 9-month study. Eur Urol 2008;53:1058-65. : European urology. 20080911.