[Clinical course and prevention of peptic ulcer].
D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000175:diagnosis*; D005756:Gastritis / Q000175:diagnosis; D006801:Humans; D013276:Stomach Ulcer / Q000175:diagnosis*
Klinicheskoe techenie i profilaktika iazvennoĭ bolezni.