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Distribution of men and women in age group 18–49 years, according to their smoking status. |
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| Part of: Atanasov P, Moneva-Sakelarieva M, Kobakova Y, Obreshkova D, Ivanov I, Chaneva M, Popova M, Petkova V, Ivanova S (2022) Tobacco smokers as target group for complicated coronavirus infection. Pharmacia 69(3): 791-800. https://doi.org/10.3897/pharmacia.69.e91095 |