Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAPLAN SA,Combination of alfuzosin and sildenafil is superior to monotherapy in treating lower urinary tract symptoms and erectile dysfunction,Eur Urol.,,,2007,51,,1717-1723,https://cir.nii.ac.jp/crid/1570291226056498560,