Relative Age Effect Is Widespread among Most Successful Youth, but Not in Senior Olympic Weightlifters. - Bezuglov, Eduard; Morgans, Ryland; Kapralova, Elizaveta; Achkasov, Evgeny; Telyshev, Danila; Sadkovaya, Olga; Malyakin, Georgiy (Journal of Human Kinetics, 2025)