- Quit Today! A targeted communications campaign to increase use of the cancer information service by African American smokersN R Boyd
Fox Chase Cancer Center, Cheltenham, Pennsylvania, 19012, USA
Prev Med 27:S50-60. 1998....
- Quality of measurement of smoking status by self-report and saliva cotinine among pregnant womenN R Boyd
Fox Chase Cancer Center, Philadelphia, Pennsylvania, USA
Matern Child Health J 2:77-83. 1998....