Prevalence of cigarette smoking and khat chewing among Aden University medical students and their relationship to BP and body mass index
By: Laswar, Al-Khidr N.; Darwish, Hashim. Saudi Journal of Kidney Diseases and Transplantation. Vol. 20, no. 5 (Oct. 2009), pp.862-866, 5 p.
Subjects: Colleges; Medicine; Smoking; Students; Yemen