2D:4D Ratio and its Implications in Medicine

nih4dDit ratios, especially 2D:4D ratio, a potential proxy marker for prenatal androgen exposure shows sexual dimorphism. Existing literature and recent research show accumulatingPurpose: The authors develop the 4D extended cardiac-torso (XCAT) phantom for multimodality imaging research. Methods: Hhly detailed whole-body anatomies for the adult male