[Differential diagnosis of extrabulbous duodenal ulcers].
D000328:Adult; D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
O differentsial'noĭ diagnostike vnelukovichnykh iazv dvenadtsatiperstnoĭ kishki.