Mathew, A. C., Kurian, R., Akshaya, K., Karthikeyan, S. and Chacko, T. V. (2015) “Association between smoking and body mass index among males aged 20 years and above: A study in rural Tamil Nadu, South India”, South East Asia Journal of Public Health, 4(1), pp. 53–58. doi: 10.3329/seajph.v4i1.21841.