Epidemiology in old age. 

 - 436p 
<br/><br/> Published by the BMJ Publishing Group in collaboration with the World Health Organization. 
<br/><br/><label>ISBN: </label>0-7279-0948-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Healthof the elderly<br/>Aging<br/>Epidemiology<br/>Health services for the aged