Van'ko L V, Suleĭmanova N S, Razumovskaia I N, Sukhikh G T
Biull Eksp Biol Med. 1989 Feb;107(2):222-3.
The authors determined activity of tumor-necrotizing factor in the blood serum from the umbilical cord and venous blood in children aged 5-6 years and in supernatants from the culture of mononuclear blood cells after its cultivation in the course of 24 h with bacterial products.