KALLMAN, R F <br/><br/>
The relative biological effectiveness of 4-Mev and 200-kvp x-rays, determined by the LD50 of the 4-day-old chick embryo.  [electronic resource] 

 -  Radiation research  Aug 1958 
 - 270-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0033-7587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Lethal Dose 50<br/>Relative Biological Effectiveness<br/>X-Rays