[On the problem of peptic ulcer of the esophagus].
LEVIN
J F
JF
PIPKO
A S
AS
D004947:Esophagus; D006801:Humans; D010437:Peptic Ulcer; D014456:Ulcer
ESOPHAGUS/ulcer; PEPTIC ULCER
K voprosu o pepticheskoi iazve pishchevoda.