Alpha 1 antitrypsin heterozygotes (Pi type MZ). A longitudinal study of the risk of development of chronic air flow limitation.
D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications* / Q000175:diagnosis / Q000235:genetics; D008297:Male; D008450:Maximal Midexpiratory Flow Rate; D010641:Phenotype; D012129:Respiratory Function Tests; D012306:Risk; D012907:Smoking; D014797:Vital Capacity; D019896:alpha 1-Antitrypsin Deficiency