Dental x-ray protection 
National Council on Radiation Protection and Measurements 
 - Washington  National Council on Radiation Protection and Measurements  1973 
 - vi, 50 s.  tbl., şkl.  22 cm. 
 - NCRP report   no. 35 .
<br/><br/>İndeks var. Kaynakça var. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teeth--Radiography--Safety measures.
<br/><br/><label>Dewey Class. No.: </label>617.6 DEN 1973