nourisson (3) risque (3) mortalité (3) survie (3) Mortality (3) Survival (3) Risk (3) Mortality (3) Impact (3) Gestational age (3) Diseases (3) Days (3) Adrenocortical hormones (3) nourrisson (3) soins de santé (2) âge (2) abords (agglomération) (2) Treatment (2) Swiss (2) Sex (2) Prognosis (2) Neonatology (2) Neonatal intensive care (2) Medical care (2) Manufacturers' agents (2) Human beings (2) Life (2) Intensive care units (2) Premature infants (2) Infants (2)