title: [Seasonal variations of bacterial agents in lung infections].
mesh_terms: D001419:Bacteria / Q000302:isolation & purification*; D006801:Humans; D008800:Mexico; D012141:Respiratory Tract Infections / Q000382:microbiology*; D012621:Seasons; D013183:Sputum / Q000382:microbiology*
vernacular_title: Variations saisonnieres des agents bactériens des infections pulmonaires.