Rexford-Welch, S.C. <br/><br/>
The Royal air force medical services  S.C. Rexford Welch. 

 - London  Her Majesty's Stationary Office  1955 
 - 432p. 23cm. 
<br/><br/> v.2. 
<br/><br/><label>Dewey Class. No.: </label>610  / H67H