Second-hand smoke prevails if ban not enforced AND ashtrays and signage not removed - http://t.co/3HwTFVIBzi
Research: Ashtrays and signage as determinants of a smoke free legislation's success http://t.co/QKRuQTjwIZ
Research: Ashtrays and signage as determinants of a smoke free legislation's success http://t.co/QKRuQTjwIZ
Research: Ashtrays and signage as determinants of a smoke free legislation's success http://t.co/QKRuQTjwIZ
Research: Ashtrays and signage as determinants of a smoke free legislation's success http://t.co/QKRuQTjwIZ
Ashtray availability, signage may determine success of smoke-free legislation http://t.co/ppBCQKDO3M
Ashtray availability, signage may determine success of smoke-free legislation http://t.co/ppBCQKDO3M
Ashtray availability, signage may determine success of smoke-free legislation http://t.co/ppBCQKDO3M
Ashtray availability, signage may determine success of smoke-free legislation http://t.co/ppBCQKDO3M