title: Longterm study of development of chronic obstructive diseases in patients treated in hospital. Evaluation of some functional parameters.
mesh_terms: D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D005500:Follow-Up Studies; D005541:Forced Expiratory Volume; D006782:Hospitals, Special; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D010100:Oxygen / Q000097:blood; D015022:Yugoslavia
chemical_list: D010100:Oxygen