TY  - RPRT
TI  - Sequence variation in Helicobacter pylori.
AU  - M Achtman
AU  - S Suerbaum
PY  - 2000
DO  - 10.1016/s0966-842x(99)01676-5
UR  - https://pubmed.ncbi.nlm.nih.gov/10664596/
ID  - 10664596
ER  -