European Hospital Morbidity DatabaseLưu trữ 2013-09-02 tại Wayback Machine wich contains hospital discharge data by detailed diagnosis, age and sex, which were submitted by European countries to the WHO Regional Office for Europe.; World Health Organization Regional Office for Europe; updated oct 2012, retrieved 2013-07-11
European Hospital Morbidity DatabaseLưu trữ 2013-09-02 tại Wayback Machine wich contains hospital discharge data by detailed diagnosis, age and sex, which were submitted by European countries to the WHO Regional Office for Europe.; World Health Organization Regional Office for Europe; updated oct 2012, retrieved 2013-07-11