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Background: B vitamins [vitamins B-6, B-9 (folate), and B-12] play important roles in nucleotide biosynthesis and biological methylation reactions, aberrancies of which have all been implicated in car...
Background: Missing data is a common problem in cancer research. While simple methods such as complete-case (C-C) analysis are commonly employed for handling this problem, several studies have shown t...
Background: Breast cancer is the most prevalent malignancy among Iranian women. Five and ten year survival is one of the indicators used for evaluation of the quality of care after surgery. In this st...

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