TY  - RPRT
TI  - Self-titration by cigarette smokers.
AU  - H Ashton
AU  - R Stepney
AU  - J W Thompson
PY  - 1979
DO  - 10.1136/bmj.2.6186.357
UR  - https://pubmed.ncbi.nlm.nih.gov/486932/
ID  - 486932
ER  -