Hi<br/>"little more is known about the specific mechanisms of successful interventions."<br/><a href="http://focus.psychiatryonline.org/article.aspx?Volume=2&page=558&journalID=21"><a href='http://focus.psychiatryonline.org/article.aspx?Volume=2&page=558&journalID=21' target='_blank' rel='nofollow'>http://focus.psychiatryonline.org/article.aspx?Volume=2&page=558&journalID=21</a> </a><br/><br/>What does 'little more' mean?<br/>Why doesn't it have any article?<br/><br/>Thanks in advance!