Henry, W H <br/><br/>
Tissue-air ratio and its associated 'in-air' reference minimal phantom.  [electronic resource] 

 -  Physics in medicine and biology  Jan 1982 
 - 153-4 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0031-9155 
<br/><br/><label>Standard No.: </label>10.1088/0031-9155/27/1/017  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air<br/>Mathematics<br/>Models, Structural<br/>Radiotherapy Dosage