Association Study of MTHFR C677T Polymorphism With Homocysteine Level and Coronary Heart Disease in Elderly Patients.Published in:Cardiology Research & Practice, 2025, v. 2025, n. 1, p. 1, doi. 10.1155/crp/6246458By:Chen, Li;Jiang, Yi;Luo, ZhiwenPublication type:Article