%0 Journal Article %T Smokefree signage at childrenĄ¯s playgrounds: Field observations and comparison with Google Street View %A George Thomson %A Nick Wilson %J Archive of "Tobacco Induced Diseases". %D 2017 %R 10.1186/s12971-017-0143-x %X The online version of this article (10.1186/s12971-017-0143-x) contains supplementary material, which is available to authorized users %K Children %K Playgrounds %K Health communication %K Health promotion %K Outdoor field observation %K Google Street View %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5569489/