Elston, Robert C. <br/><br/>
Essentilas of biostatistics  [[Book] /] 
Robert C.Elston, William D. Johnson. 
 - 2nd. 
 - United states :  F.A.Davis company,  1994. 
 - 328p  ;  24cm. 
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>0803631235 
<br/><br/><label>Dewey Class. No.: </label>574'.01'5195 
<br/><br/><label>National Library of Medicine Call No.: </label>574'.01'5195  / EE