Lock, Stephen Penford. <br/><br/>
The medical risks of life / 
Stephen Lock and Tony Smith. 
 - Harmondsworth ; New York :  Harmondsworth ; New York :  Penguin Books,  1976, 1977 printing. 
 - Pelican books .
<br/><br/> Includes index.  ISBN 0-1402-1595-6. 
<br/><br/><label>ISBN: </label>0140215956 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health.<br/>Health