puits (1) secteur des services (1) besoin (1) mortalité (1) blessure (1) information (1) hôpital (1) maladie (1) âge (1) classification (1) enfant (1) survie (1) Mortality (1) Treatment (1) Children (1) Care (1) Death (1) Methods (1) Expertise (1) Bronchopulmonary dysplasia (1) Rates (1) Birth (1) Week (1) Terminal care (1) Symptoms (1) Swiss (1) Survival (1) Retrolental fibroplasia (1) Population (1) Poor (1)