spectacle (2) agent pathogène (2) Genes (2) Streptococcus pneumoniae (2) Bacteria (2) mur (1) biosynthèse (1) tissu (corporel) (1) protéine (1) modèle (1) acide (1) infection (1) immunité (1) gène (1) exposition (1) enzyme (1) environnement (1) maladie (1) Development (1) Accounts (1) Work (1) Sugar (1) Streptococcus (1) Raffinose (1) Performance (1) Nature and nurture (1) Nasopharynx (1) Manufacturers' agents (1) Human beings (1) Lungs (1)