Insensitivity of the CLOtest for H. pylori, Especially in the Elderly.
Abdalla
AM
Departments of Medicine and Pathology and Laboratory Medicine St. Luke's-Roosevelt Hospital Center College of Physicians and Surgeons Columbia University New York, New York.
Sordillo
EM
Hanzely
Z
Perez-Perez
GI
Blaser
MJ
Holt
PR
Moss
SF