Fagan Pebbles, Rigotti Nancy A
Tobacco Control Research Branch, Behavioral Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, 6130 Executive Boulevard, Bethesda, MD 20892-7337, USA.
Nicotine Tob Res. 2009 Feb;11(2):107-10. doi: 10.1093/ntr/ntn015. Epub 2009 Mar 5.