Armitage, P. <br/><br/>
Statistical methods in medical research. 

 - 559p. 
<br/><br/><label>ISBN: </label>0632015012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biometry<br/>Statistics--Methods<br/>Research--Methods
<br/><br/><label>LC Class. No.: </label>2nd ed.