Prevalence and correlates of smoking and nicotine dependence: results of a nationwide cross-sectional survey among Singapore residents
Shazana Shahwan, Edimansyah Abdin, Saleha Shafie, Sherilyn Chang, Rajeswari Sambasivam, Yunjue Zhang, Janhavi Ajit Vaingankar, Yik Ying Teo, Derrick Heng, Siow Ann Chong, Mythily Subramaniam
BMJ Open Oct 2019, 9 (10) e032198; DOI: 10.1136/bmjopen-2019-032198