Items where Author is "De Vries, Hein"
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Article
Mohamed, Dafaallah Balah and Hoving, Ciska and De Vries, Hein (2020) Use of Cigarettes and Other Tobacco Products among Primary and Secondary School Students in Khartoum State, Sudan. Occupational Diseases and Environmental Medicine, 08 (04). pp. 203-215. ISSN 2333-3561