About 2,543 cases of gastro-duodenal peptic ulcers.
MONTENEGRO
E B
EB
ARANHA
J C
JC
D001699:Biometry; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000706:statistics & numerical data*
Sôbre 2,543 casos de úlceras pépticas gastro-duodenais.