TY  - RPRT
TI  - Some practical advice concerning Helicobacter pylori.
AU  - M Levy
AU  - R Hansing
AU  - H D'Amico
AU  - R Guillan
PY  - 1991
UR  - https://pubmed.ncbi.nlm.nih.gov/1879120/
ID  - 1879120
ER  -