Tahir M, Khattak A, Rashid H. Methionine synthase A2756G polymorphism associated with an increased risk of head and neck cancer. Int J Sci Rep [Internet]. 2020 Jun. 23 [cited 2025 Sep. 27];6(7):237-42. Available from: https://www.sci-rep.com/index.php/scirep/article/view/731