Espahbodi, Shima, Hogervorst, Eef, Macnab, Tara-Mei Povall, Thanoon, Ahmed, Fernandes, Gwen Sacha, Millar, Bonnie, Duncan, Ashley, Goodwin, Maria, Batt, Mark, Fuller, Colin W, Fuller, Gordon, Ferguson, Eamonn, Bast, Tobias, Doherty, Michael, Zhang, Weiya, "Heading Frequency and Risk of Cognitive Impairment in Retired Male Professional Soccer Players", JAMA Network Open, 2023