Каталог "Библиографии" | Сборник
Influence of tobacco smoking on the occurrence an the degree of coronary stenosis patients with ischemic heart disease
N. Ivanova; J. Hristov; G. Ivanov
A 3162
A 3243
Каталог "Библиографии" | Списание
Impact of alcohol and tobacco smoking on the development of oral cavity cancer
M. Stoikova; M. Semerdjieva