Mass density profiles at kiloparsec scales using the sub-millimetre galaxies magnification bias D. Crespo, J. González-Nuevo, L. Bonavera, M. M. Cueli and J. M. Casas A&A, 684 (2024) A109 Published online: 08 April 2024 DOI: 10.1051/0004-6361/202347426