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On entend par base de schiff , un groupement fonctionnel qui contient une double liaison C=N de formule gnrale R X1 R X2 -C=N-R X3 , avec R xl , R x2 et R x3 sont tels que dfinis prcdemment.The term "Schiff base", a functional group which contains a double bond C = N of the general formula R R X1 X2 X3 -C = NR, with R xl, x2 R x3 and R are as defined above

Oral Cancer Risk: The use of tobacco products increases the risk of oral cancers significantly

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Abstract Background Smoking is a significant public health problem, and there is a scarcity of documents regarding its severity, particularly in developing countries

Eliminate the smell of tobacco in the home Ideally, avoid tobacco indoors, or better yet, quit smoking