Asymmetries in random motions of neutral hydrogen gas in spiral galaxies P. Adamczyk, P. Amram, L. Chemin, B. Epinat, J. Braine, F. Combes and W. J. G. de Blok A&A, 678 (2023) A5 Published online: 26 September 2023 DOI: 10.1051/0004-6361/202346750