[Acute perforation of stomach & duodenum ulcers].
Explore the source record for details and available documents.
Duodenal Ulcer↗
Biomedical subjects
J R VILLACA
Publications and source records attributed to J R VILLACA.
[Our experience with operative cholangiography].
Explore the source record for details and available documents.
Biliary Tract↗
[Experience with peroperative cholangiography].
Explore the source record for details and available documents.
Biliary Tract↗