Public OpinionData CollectionPoliticsHealth SurveysNewspapersUnited StatesAttitudeQuestionnairesAttitude to HealthSampling StudiesTelephoneHealth Care SurveysHealth PolicyHealth Care ReformTobacco IndustryTissue and Organ ProcurementResearchInterviews as TopicCross-Sectional StudiesPrevalenceSocioeconomic FactorsSmokingResearch Support as TopicResearch Design