[Unrecognized ulcer of the stomach and duodenum].
D000328:Adult; D000368:Aged; D003951:Diagnostic Errors; D004381:Duodenal Ulcer / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013276:Stomach Ulcer / Q000175:diagnosis*
Neraspoznannye iazvy zheludka i dvenadtsatiperstnoĭ kishki.