Risk of Colorectal Cancer Associated with the C677T Polymorphism in 5, 10-Methylenetetrahydrofolate Reductase in Portuguese Patients Depends on the Intake of Methyl-Donor Nutrients
                        AuthID
P-003-TZ6
                
    P-003-TZ6
 
    
                     
    
                     
    
                     
    
                     
                    