1. Die junge Krankenversicherung der Interunfall Publication: [Austria : Interunfall Versicherung, 19--] Subject(s): Insurance, HealthPatient CareSick RoleAustria
2. Gripp: ne zarazhaĭ drugikh! Publication: [Russia] : Izdatel'skoe biuro ob'edineniia meduchposobie, c1989 Subject(s): Influenza, Human -- prevention & controlInfluenza, Human -- transmissionSick Role
