1. The relationship between carboxyhaemoglobin levels and haematological values in sheesha smokers;Al Fayez;Saudi Med. J.,1989
2. Volatile aldehydes in the mainstream smoke of the narghile waterpipe;Al Rashidi;Food Chem. Toxicol.,2008
3. BZgA, 2008. On the affinity of adolescents against drugs. Report of the Federal Centre for Health Education (BZgA) in German language: Die Drogenaffinität Jugendlicher in der Bundesrepublik Deutschland 2008. http://www.bzga.de.
4. MAK- und BAT-Werte-Liste 2006;DFG,2006
5. DIN ISO 3402—Tobacco and Tobacco Products—Atmosphere for Conditioning and Testing;DIN-ISO,2000