title: Complement fixation test as an aid in the diagnosis of farmer's lung.
abstract: Complement-fixing antibodies to Micropolyspora faeni were measured in farmers and controls. Farmers with known or suspected farmer's lung showed significantly higher titers than control groups. Variations in titer were measured and correlated with the clinical disease.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis*; D003168:Complement Fixation Tests; D003937:Diagnosis, Differential; D005069:Evaluation Studies as Topic; D005203:Farmer's Lung / Q000175:diagnosis*; D006801:Humans; D005779:Immunodiffusion; D008848:Micromonosporaceae / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial