"Cytosine to Thymidine TransitionSYNCI" . "A point mutation involving the substitution of Thymidine (a pyrimidine base) for Cytosine (a pyrimidine base) in a DNA sequence from eukaryotic or prokaryotic organisms. This abnormality can be either heritable or occur somatically.NCI" . "C45643"^^ . . "C1707606"^^ . "Cytosine to Thymidine Transition AbnormalityPTNCI" . . "Cytosine_To_Thymidine_Transition_Abnormality"^^ . "Cytosine to Thymidine Transition Abnormality"^^ . "Cytosine to Thymidine Transition Abnormality"^^ . "Cell or Molecular Dysfunction"^^ . "Cytosine to Thymidine MutationSYNCI" .