Schwamberger K, Troyer E, Riedler L
MMW Munch Med Wochenschr. 1976 Oct 1;118(40):1269-70.
The simultaneous appearance of a gastric ulcer with a duodenal ulcer or postulcerous changes is primarily caused by a duodenal ulcer. A gastric ulcer may occur secondarily; the possible causes of this development are discussed.
胃溃疡与十二指肠溃疡或溃疡后改变同时出现，主要是由十二指肠溃疡引起的。胃溃疡可能继发出现；本文讨论了这种情况发生的可能原因。
