Respiratory infections in the elderly / 
editor, Michael S. Niederman. 
 - New York :  Raven Press,  c1991. 
 - xix, 380 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0881678171 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Respiratory infections in old age.<br/>Antibody Formation--in an old age.<br/>Respiratory Tract Infections--immunology.<br/>Respiratory Tract Infections--in old age.