article 2019 Digit ratio (2D:4D): relationship with freestyle swimming performance of adolescent well-trained swimmers G. Özen, Ö. Atar, H. Koç JournalPedagogics, psychology, medical-biological problems of physical training and sportsDOI10.15561/18189172.2019.0307Populationadolescent well-trained swimmers View on DOI ↗