Duodenoscopy (procedure)

• Duodenoscopy
• Endoscopy of duodenum

• Procedure (procedure) and Role group (attribute) some (
      Method (attribute) some Inspection - action (qualifier value) and
      Procedure site - Direct (attribute) some Duodenal structure (body structure) and
      Using device (attribute) some Duodenoscope (physical object))

• Abdomen endoscopy (procedure)
• Lower gastrointestinal procedure (procedure)
• Gastrointestinal tract endoscopy (procedure)
• Procedure on duodenum (procedure)