Authors
Margarita H. Docheva
Department of Tobacco and Tobacco Smoke Chemistry, Tobacco and Tobacco Products Institute, Markovo, Bulgaria
Desislava M. Kirkova
Department of Tobacco and Tobacco Smoke Chemistry, Tobacco and Tobacco Products Institute, Markovo, Bulgaria
Liliya S. Stoyanova
Department of Tobacco and Tobacco Smoke Chemistry, Tobacco and Tobacco Products Institute, Markovo, Bulgaria