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勃起功能障碍(以下简称ED)是成人男性常见疾病,中老年男性发病率50%,青年男性也有5%—10%。随着3种“伟哥”——万艾可(Vigra)、
Erectile dysfunction (hereinafter referred to as ED) is a common males disease in adults, the incidence of 50% of middle-aged men, young men also have 5% -10%. With three “Viagra” - Vigra,