scholarly journals Colorectal carcinoma missed on double contrast barium enema study: a problem in perception

1981 ◽  
Vol 137 (2) ◽  
pp. 307-313 ◽  
Author(s):  
FM Kelvin ◽  
R Gardiner ◽  
W Vas ◽  
GW Stevenson
1996 ◽  
Vol 21 (4) ◽  
pp. 304-308 ◽  
Author(s):  
P. Marraccini ◽  
G. Braccini ◽  
A. Marrucci ◽  
P. Boraschi ◽  
L. Bertellotti ◽  
...  

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