Tobacco addiction: a cloud over hospitals.
D002170:Canada; D003132:Commerce; D006266:Health Education; D006739:Hospital Administration; D006761:Hospitals; D006801:Humans; D010353:Patient Education as Topic; D010564:Personnel, Hospital / Q000193:education; D010947:Plants, Toxic; D012907:Smoking / Q000453:epidemiology; D000074606:Smoking Prevention; D014026:Nicotiana; D014481:United States