title: Familial prevalence of chronic obstructive pulmonary disease in a matched pair study.
mesh_terms: D000017:ABO Blood-Group System; D001991:Bronchitis / Q000235:genetics / Q000503:physiopathology; D002908:Chronic Disease; D005541:Forced Expiratory Volume; D006579:Heterozygote; D006720:Homozygote; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000235:genetics* / Q000503:physiopathology; D008875:Middle Aged; D010641:Phenotype; D012907:Smoking / Q000503:physiopathology; D000515:alpha 1-Antitrypsin
chemical_list: D000017:ABO Blood-Group System; D000515:alpha 1-Antitrypsin