3334731 SIH-SUS System of the Unified Health System 9 3334732 SIH-SUS System of the Unified National Health System 7 3334729 SIH-SUS Sistema de Informacoes Hospitalares do SUS 1 3334733 SIH-SUS study, based on data from the National Hospital Information System 1 3334730 SIH-SUS SUS Hospital Data System 1 3334728 SIH-SUS System administrative database of the National Unified Health System 1