Novel approach to ampullary cannulation.
Batra
S C
SC
Trowers
E
E
Dayemo
K
K
Singh
H P
HP
D000368:Aged; D014670:Ampulla of Vater; D002404:Catheterization / Q000379:methods*; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000379:methods*; D006801:Humans; D008297:Male