Abramson, J. H.  1924-, <br/><br/>
Survey methods in community medicine :  epidemiological studies programme evaluation clinical trials / 
J. H. Abramson. 
 - 4th Edition 
 - Edinburgh :  Churchill Livingstone,  1990. 
 - 339 pages :  illustrations ;  22 cm. 
<br/><br/><label>ISBN: </label>4430419602 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical trials--Trends.<br/>Community medicine.