Efficacy and safety of flexible-dose oral sildenafil citrate (Viagra) in the treatment of erectile dysfunction in Brazilian and Mexican men.
Glina S, Bertero E, Claro J, Damião R, Faria G, Fregonesi A, Jaspersen J, Mendoza A, Mattos D Jr, Rocha LC, Sotomayor M, Telöken C, Ureta S, Zonana E, Ugarte F.
Glina S, et al. Among authors: ureta s.
Int J Impot Res. 2002 Aug;14 Suppl 2:S27-32. doi: 10.1038/sj.ijir.3900895.
Int J Impot Res. 2002.
PMID: 12161765
Clinical Trial.