title: IgG subclasses in farmer's lung.
mesh_terms: D000192:Actinomycetales / Q000276:immunology; D000328:Adult; D000908:Antibodies, Fungal / Q000032:analysis*; D001230:Aspergillus / Q000276:immunology; D005203:Farmer's Lung / Q000276:immunology*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis*; D008297:Male; D008875:Middle Aged
chemical_list: D000908:Antibodies, Fungal; D007074:Immunoglobulin G