Imaging ability of colliniators in nuclear medicine / 
by James C. Ehrhardt ... [et al.] 
 - Washington, D.C. :  United States Government Printing Office,  1979 
 - vii, 101 p. ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nuclear medicine<br/>Radiology, Medical
<br/><br/><label>Dewey Class. No.: </label>616.07575