TY  - RPRT
TI  - Tobacco use as a risk factor.
AU  - J Bergström
AU  - H Preber
PY  - 1994
DO  - 10.1902/jop.1994.65.5s.545
UR  - https://pubmed.ncbi.nlm.nih.gov/8046571/
ID  - 8046571
ER  -