Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The distribution of sample sources and detection methods for Helicobacter pylori of included studies. A: Sample sources for Helicobacter pylori; B: Detection methods for Helicobacter pylori. Detailed data shown in Table 4. 13C/14C-UBT: 13C or 14C urease breath test; CLO: Campylobacter-like organism; PCR: Polymerase chain reaction.
