IA Ekanem, MC Asuzu, CC Anunobi, SA Malami, PG Jibrin, AD Ekanem, GC Onyemelukwe, and M Anibueze. “Prevalence of Tobacco Use Among Youths in Five Centres in Nigeria: A Global Youth Tobacco Survey (GYTS) Approach”. Journal of Community Medicine & Primary Health Care, vol. 22, no. 1-2, June 2010, pp. 62-67, doi:10.4314/jcmphc.v22i1-2.68336.