/a MacMahon Brian, Pugh Thomas F. <br/><br/>
/a Epidemiology  /b Principles and methods  /h [Text] 
/b By MacMahon Brian, Pugh Thomas F.  
 - /a 1st ed. 
 - /a London  /b J & A Churchill  /c 1970 
 - /a ix, 376p  /b ill.: 
<br/><br/>/a Includes bibliography references   
<br/><br/><label>ISBN: </label>/a 7000109720 
<br/><br/><label>Nat. Bib. No.: </label>
<br/><br/><label>LC Class. No.: </label>/a RA651.M24 Mac  / /b 059