TY  - RPRT
TI  - Is repeat testing needed for Helicobacter pylori?
AU  - R D Zipser
AU  - M V Parikh
DO  - 10.3122/15572625-13-6-449
UR  - https://pubmed.ncbi.nlm.nih.gov/11117342/
ID  - 11117342
ER  -