Yun, F., Firkova, E., Xun, H., Jun-Qi, L. Effects of surgical periodontal therapy on serum levels of TNF-alfa in patients with chronic periodontitis. Plovdiv: 2007 37-40,.
Yun, F., Firkova, E., Xun, H., Jun-Qi, L. Effects of surgical periodontal therapy on serum levels of TNF-alfa in patients with chronic periodontitis. Plovdiv: 2007 37-40,.
Yun, F., Firkova, E., Xun, H., Jun-Qi, L. (2007) Effects of surgical periodontal therapy on serum levels of TNF-alfa in patients with chronic periodontitis, Plovdiv: 37-40,.
Yun, F., Firkova, E., Xun, H., & Jun-Qi, L. (2007). Effects of surgical periodontal therapy on serum levels of TNF-alfa in patients with chronic periodontitis. Plovdiv: 37-40.
Yun F, Firkova E, Xun H, Jun-Qi L. Effects of surgical periodontal therapy on serum levels of TNF-alfa in patients with chronic periodontitis. Plovdiv: 2007. p. 37-40.