1. Cognitive Performances: The Role of Digit Ratio (D2:D4) With a Protective Factor for Anxiety
   Sergio Rinella et al, 2022, Frontiers in Neuroergonomics CrossRef
2. Exploring Finger Digit Ratios (2D:4D) in Surgeons, Professional Rugby Players, and Political Journalists to Form a Directional Hypothesis: Could Finger Length Predict Attention and Focus?
   Benjamin G. Serpell et al, 2022, Frontiers in Behavioral Neuroscience CrossRef
3. Biological underpinnings of mood and the role of physical exercise
   Donatella Di Corrado, 2017, Sport Sciences for Health CrossRef
4. Risk-taking behavior, the second-to-fourth digit ratio and psychological features in a sample of cavers
   Sergio Rinella et al, 2019, PeerJ CrossRef