Cooper, K M C1q binding activity in the sera of patients with chronic lung diseases. [electronic resource] - Clinical and experimental immunology Jul 1981 - 18-28 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0009-9104 Subjects--Topical Terms: AdolescentAdultAgedAntigen-Antibody Complex--analysisBronchiectasis--immunologyCarcinoembryonic Antigen--analysisCarcinoma, Bronchogenic--immunologyChronic DiseaseComplement Activating Enzymes--immunologyComplement C1qComplement Fixation TestsHeparin--pharmacologyHumansImmunoglobulins--analysisLung Diseases--immunologyLung Neoplasms--immunologyMiddle AgedRheumatoid Factor--analysis