[Smoke-free--without smoking heads].
Lüthi
Urs
U
D006293:Health Promotion; D006761:Hospitals; D006801:Humans; D012907:Smoking / Q000009:adverse effects; D000074606:Smoking Prevention; D013557:Switzerland; D014028:Tobacco Smoke Pollution / Q000009:adverse effects / Q000517:prevention & control*
D014028:Tobacco Smoke Pollution