How to help your patients stop using tobacco : a National Cancer Institute manual for the oral health team / by R.E. Mecklenburg ... [et al.] for the Smoking and Tobacco Control Program, National Cancer Institute (NIH publication ; no. 93-3191)
How to help your patients stop using tobacco : a National Cancer Institute manual for the oral health team / by R.E. Mecklenburg ... [et al.] for the Smoking and Tobacco Control Program, National Cancer Institute