TY  - RPRT
TI  - Travellers' diarrhoea. Difficult to avoid.
AU  - R A Bhopal
PY  - 1993
DO  - 10.1136/bmj.307.6899.322-d
UR  - https://pubmed.ncbi.nlm.nih.gov/8374393/
ID  - 8374393
ER  -