- 62 - that the existing arrangements for dealing with a mentally disturbed and violent prisoner be immediately brought into conformity with the following rules: . such a prisoner should be treated through close supervision and nursing support; . the use of sedatives should be decided exclusively by a medical doctor or, in the event of an emergency, by a fully-qualified nurse; . resort to instruments of physical restraint should be treated as an exceptional measure and should always be either expressly ordered by a medical doctor or immediately brought to the attention of such a doctor with a view to seeking his approval; . instruments of physical restraint should be removed at the earliest possible opportunity. They should never be applied, or their application prolonged, as a punishment; . in the event of resort being had to instruments of physical restraint, an entry should be made in both the prisoner's file and an appropriate register, with an indication of the times at which the measure began and ended, as well as of the circumstances of the case and the reasons for resorting to such means. 190. The CPT's delegation was told by many drug-addicted prisoners, both in the Psychiatric Unit and in other establishments visited, that they would welcome the opportunity to participate in a developed detoxification programme, instead of simply receiving short-term medication to counter withdrawal symptoms. In this connection, the CPT would like to receive further information on the establishment of a Detoxification Centre and a penal institution of a medical nature for the treatment of drug addicts, to which the Director General of the Greek Prison Service referred in his statement to the delegation. 191. Finally, the delegation. was told that the Psychiatric Unit only catered for male prisoners. The CPT would like to receive information on the arrangements for providing care to mentally ill female prisoners.