Inter-rater reliability of subthreshold psychotic symptoms in individuals with 22q11.2 deletion syndrome.

Background: Pathways leading to psychosis in 22q11.2 deletion syndrome (22q11.2DS) have been the focus of intensive research during the last two decades.

[The homeless and the health system: profile of the homeless patient].

The homeless population is mobile and does not use ambulatory health care services. Thus the major contact between the homeless and the medical establishment occurs primarily when they are treated for acute symptoms in hospital. We describe the clinical and sociodemographic profile of the homeless who require hospital services.