RT Journal Article SR Electronic T1 Olympic Games: linking sports mega events to population physical activity JF BMJ JO BMJ FD British Medical Journal Publishing Group SP q1414 DO 10.1136/bmj.q1414 VO 386 A1 Bull, Fiona C A1 Simpson, Paul J YR 2024 UL https://www.bmj.com/content/386/bmj.q1414.abstract AB