He believed it to be duodenal colic.
"Our Nervous Friends Illustrating the Mastery of Nervousness"
Robert S. Carroll
Avoid mistaking gastric or duodenal ulcer, with or without perforation, for the effects of a corrosive poison.
"Aids to Forensic Medicine and Toxicology"
W. G. Aitchison Robertson
I suffer, Sir, from dyspepsia-duodenal dyspepsia.
"Greenmantle"
John Buchan