Kolb, W A <br/><br/>
Radiological significance of 227Ac and 231Pa.  [electronic resource] 

 -  Health physics  Dec 1991 
 - 919-20 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0017-9078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Actinium<br/>Administration, Inhalation<br/>Protactinium<br/>Radiation Dosage<br/>Uranium--administration & dosage