TY  - RPRT
TI  - Helicobacter in the developing world.
AU  - Robert W Frenck
AU  - John Clemens
PY  - 2003
DO  - 10.1016/s1286-4579(03)00112-6
UR  - https://pubmed.ncbi.nlm.nih.gov/12814771/
ID  - 12814771
ER  -