Exercising and face masks: An important hypothesis buried in a selective review by Greenhalgh, T, Dijkstra, P, Jones, N, Bowley, J

Face masks while exercising trial (MERIT): a cross-over randomised controlled study by Jones, N, Oke, J, Marsh, S, Nikbin, K, Bowley, J, Dijkstra, H, Hobbs, FDR, Greenhalgh, T