Sir, d8.1..24.5 <br/><br/>
Principles of medical statistics. 

 - 9th ed., revised and enlarged. 
 - London,  The Lancet,  1971. 
<br/><br/> With answers. 
<br/><br/><label>ISBN: </label>090051101X  L.1.25 
<br/><br/><label>LCCN: </label>75502049 
<br/><br/><label>Nat. Bib. No.: </label>B71-15025 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical statistics.<br/>Statistics.
<br/><br/><label>LC Class. No.: </label>RA407  / .H55 1971b 
<br/><br/><label>Dewey Class. No.: </label>610/.1/82 
<br/><br/><label>National Library of Medicine Call No.: </label>HA29 H645p 1971