We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEarly intervention in patients at ultra high risk of psychosis: benefits and risks.Authorsde Koning MB; Bloemen OJ; van Amelsvoort TA; Becker HE; Nieman DH; van der Gaag M; Linszen DHPublicationActa psychiatrica Scandinavica, 2009, Vol 119, Issue 6, p426ISSN1600-0447Publication typearticleDOI10.1111/j.1600-0447.2009.01372.x