M Uboldi Uboldi de Capei et al.
European journal of immunogenetics : official journal of the British Society for Histocompatibility and Immunogenetics, 30(1), 5-10 (2003-02-01)
It has been demonstrated that many cytokine genes [e.g. tumour necrosis factor alpha (TNF-alpha) and interleukin 10 (IL-10)] show polymorphisms which may affect gene transcription, causing individual variations in cytokine production. The majority of polymorphisms described are single nucleotide polymorphisms