1. Sex Differences in Risk of Lung Cancer Associated with Methylene-tetrahydrofolate Reductase Polymorphisms
   Qiuling Shi et al, 2005, Cancer Epidemiology, Biomarkers & Prevention CrossRef
2. Methylenetetrahydrofolate reductase gene polymorphisms and lung cancer: a meta-analysis
   Renfang Mao et al, 2008, Journal of Human Genetics CrossRef
3. Methylenetetrahydrofolate Reductase (MTHFR) Gene rs1801133 C>T Polymorphisms and Lung Cancer Susceptibility: An Updated Meta-analysis
   Fang Liu et al, 2019, Pteridines CrossRef
4. Polymorphism of Folate metabolism genes and risk of lung cancer
   M. L. Bakanova et al, 2019, Siberian journal of oncology CrossRef