title: [Refractory respiratory tract infections. 8. Clinical efficacy and application of combined therapy with antibiotics. a. Immunoglobulin therapy].
mesh_terms: D000368:Aged; D000375:Aging; D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D005260:Female; D006790:Host-Parasite Interactions; D006801:Humans; D007116:Immunization, Passive; D008297:Male; D008875:Middle Aged; D009894:Opportunistic Infections / Q000628:therapy*; D012141:Respiratory Tract Infections / Q000209:etiology / Q000628:therapy*
chemical_list: D000900:Anti-Bacterial Agents