Hayflick, Leonard. <br/><br/>
How and why we age 
Leonard Hayflick ; with a foreword by Robert N. Butler. 
 - New York  Ballantine Books  c1994. 
 - xxii, 377 p.  24 cm. 
<br/><br/>Includes bibliographical references (p. 343-359) and index. 
<br/><br/><label>ISBN: </label>0345339185  24.00 (32.00 Can.) 
<br/><br/><label>LCCN: </label>94002211  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aging--Popular works.<br/>Aging--Physiological aspects.
<br/><br/><label>LC Class. No.: </label>QP86  / .H39 1994 
<br/><br/><label>Dewey Class. No.: </label>612.6/7