[Retrograde cholangiography].
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Biliary Tract Diseases↗
Biomedical subjects
J C Coffin
Publications and source records attributed to J C Coffin.
[Valve of fiberscopic examination of the operated stomach].
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Esophagitis↗
[Endoscopic sphincterotomy in acute pancreatitis (author's transl)].
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Acute Disease↗