[Differential-diagnostic value of different symptoms in benign and neoplastic stomach ulcers].
D003937:Diagnosis, Differential; D006801:Humans; D013274:Stomach Neoplasms / Q000150:complications / Q000175:diagnosis*; D013276:Stomach Ulcer / Q000150:complications / Q000175:diagnosis*
O differentsial'no-diagnosticheskoĭ tsennosti razlichnykh simptomov pri dobrokachestvennykh i rakovykh iazvakh zheludka.