[1]
Palha, A.P., Gomes, F.A., Martins, A.S., Pimenta, A., Neves, J., Gonçalves, R., Ramos, L., Abrantes, P., Canhão, A., Santos, G., Carvalho, L.F., Soares, J., Lima, E. and Rosa, G. 2002. Clinical, multicentric, and open study to evaluate the efficacy of and tolerance to sildenafil in patients with erectile dysfunction. Acta Médica Portuguesa. 15, 4 (Aug. 2002), 249–56. DOI:https://doi.org/10.20344/amp.1966.