1. Breathe easy: healthy steps to smoking less Publication: [Oakland, Calif.] : Kaiser Permanente, [19--] Subject(s): Smoking Cessation -- methodsHealth BehaviorPlay and Playthings
2. Thinking about quitting? Publication: [Bethesda, Md. : Medical Arts and Photography Branch, National Institutes of Health, 19--?] Subject(s): Smoking Cessation -- methods