Welch, M H <br/><br/>
Antitrypsin deficiency in pulmonary disease: the significance of intermediate levels.  [electronic resource] 

 -  Annals of internal medicine  Sep 1969 
 - 533-42 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-4819 
<br/><br/><label>Standard No.: </label>10.7326/0003-4819-71-3-533  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Female<br/>Heterozygote<br/>Homozygote<br/>Humans<br/>Lung Diseases--complications<br/>Male<br/>Metabolism, Inborn Errors--complications<br/>Middle Aged<br/>Pulmonary Emphysema--enzymology<br/>Radiography, Thoracic<br/>Radionuclide Imaging<br/>Spirometry<br/>Trypsin Inhibitors--blood