title: [Supportive gamma-globulin therapy in refractory chronic respiratory tract infections].
mesh_terms: D000368:Aged; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007116:Immunization, Passive; D008297:Male; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000628:therapy*; D005719:gamma-Globulins / Q000008:administration & dosage*
chemical_list: D005719:gamma-Globulins