Upper mass-loss limits and clumping in the intermediate and outer wind regions of OB stars M. M. Rubio-Díez, J. O. Sundqvist, F. Najarro, A. Traficante, J. Puls, L. Calzoletti and D. Figer A&A, 658 (2022) A61 Published online: 01 February 2022 DOI: 10.1051/0004-6361/202040116