Investigations ` ` have never substantiated these claims , '' Pentagon spokesman said . Report : Doctors advised interrogators who treated captives inhumanely after attacks . Such treatment violated medical ethics , Columbia University , Open Society Watch say . Pentagon calls for full investigation of medical treatment after attacks .
Investigations `` have never substantiated these claims , '' Pentagon spokesman says . Report : Doctors advised interrogators who treated captives inhumanely after 9/11 . Such actions violated medical ethics , Columbia University , Open Society Foundations say . Study calls for full investigation of inmate treatment after 9/11 .