Public Housing Resident Perspectives on Smoking, Barriers for Smoking Cessation, and Changes in Smoking Mandates oleh Bethany Foster MPH, David M. Ledgerwood PhD, Cara A. Struble MA, Marina C. Fodor MA, Parada Jordan MS, Abhinav C. Krishnan MS, Beverly Turner, Claire Pearson MD, Michael J. Twiner MD, PhD, Phillip D Levy MD, MPH