Report. 

 - [Washington?  1947] 
 - 2, 2, 3 l., 59, 32 p.  illus.  28 cm. 
<br/><br/> Cover title.  "Sponsored by the Committee on Growth of the National Research Council." 
<br/><br/><label>LCCN: </label>med48000302  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Isotopes.<br/>Radioactive tracers in biology.
<br/><br/><label>LC Class. No.: </label>QH505  / .S92 
<br/><br/><label>Dewey Class. No.: </label>574.1072