BackgroundPrevious studies on the association of X-ray repair cross-complementing group 1 (XRCC1) Arg194Trp, Arg399Gln, and Arg280His polymorphisms with head and neck cancer (HNC) have produced incons
Cervical cancer is a major public problem faced by middle-aged women all over the world. In addition to chronic inflammation caused by persistent infection of high-risk human papillomavirus (HPV), gen