Full text of impotence in the male the psychic disorders sexual function in the male see other formats . Full text full text is available as a scanned copy of the original print version get a printable copy pdf file of the complete article 349k or click on a page image below to browse page by page. Erectile dysfunction ed is the inability to get or keep an erection firm enough to have sexual intercourse occasional ed isnt uncommon but frequent ed can be an indication of certain health . Psychological factors are responsible for about 10 20 of all cases of erectile dysfunction or ed it is often a secondary reaction to an underlying physical cause in some cases the
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