Freestyle master’s swimming: Nationality, sex, and performance trends in World Aquatics competitions (1986–2024) - Wais Ahmad; Matthias Wilhelm; Sascha Moreitz; Marilia Santos Andrade; Pedro Forte; Arkadiusz Stanula; Pantelis T. Nikolaidis; Ivan Cuk; Mabliny Thuany; Katja Weiss; Thomas Rosemann; Lee Hill; et al. (PLoS ONE, 2025)