title: Pet birds and acquired chronic valvar disease.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D001717:Birds; D002908:Chronic Disease; D004562:Electrocardiography; D004696:Endocarditis / Q000209:etiology; D006349:Heart Valve Diseases / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D009956:Psittacosis / Q000150:complications* / Q000276:immunology; D015047:Zoonoses
chemical_list: D000906:Antibodies