title: Noninvasive diagnosis of pulmonary hemorrhage in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications*; D002248:Carbon Monoxide / Q000378:metabolism*; D002648:Child; D004452:Echocardiography / Q000379:methods*; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006470:Hemorrhage / Q000175:diagnosis*; D006801:Humans; D008168:Lung / Q000378:metabolism*; D008171:Lung Diseases / Q000175:diagnosis*
chemical_list: D002248:Carbon Monoxide