[Prevention of infection in patients with chronic obstructive pulmonary disease by normal human tonsillar transfer factor (author's transl)].
D006801:Humans; D017053:Infection Control; D007239:Infections / Q000150:complications; D008173:Lung Diseases, Obstructive / Q000150:complications*; D014165:Transfer Factor / Q000627:therapeutic use*
D014165:Transfer Factor