title: Etiology of severe pneumonia in children in developing countries.
mesh_terms: D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001419:Bacteria / Q000302:isolation & purification; D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D006801:Humans; D007223:Infant; D008168:Lung / Q000382:microbiology; D011014:Pneumonia / Q000188:drug therapy / Q000209:etiology* / Q000382:microbiology; D013396:Suction; D013449:Sulfonamides / Q000627:therapeutic use; D014780:Viruses / Q000302:isolation & purification
chemical_list: D000900:Anti-Bacterial Agents; D013449:Sulfonamides