for which of following conditions is operative cholangiography a useful tool?
1. biliary tract calculi
2. patency of the biliary ducts
3. function of the sphincter of Oddi
a. 1 only
b. 2 only
c. 2 and 3 only
d. 1,2, and 3***
1. biliary tract calculi
2. patency of the biliary ducts
3. function of the sphincter of Oddi
a. 1 only
b. 2 only
c. 2 and 3 only
d. 1,2, and 3***
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Technique