![](/img/cover-not-exists.png)
Covert observation in practice: lessons from the evaluation of the prohibition of smoking in public places in Scotland
Mark Petticrew, Sean Semple, Shona Hilton, Kaen S Creely, Douglas Eadie, Deborah Ritchie, Catherine Ferrell, Yvette Christopher, Fintan HurleyVolume:
7
Language:
english
DOI:
10.1186/1471-2458-7-204
Date:
December, 2007
File:
PDF, 252 KB
english, 2007