Do galaxies that leak ionizing photons have extreme outflows? J. Chisholm, I. Orlitová, D. Schaerer, A. Verhamme, G. Worseck, Y. I. Izotov, T. X. Thuan and N. G. Guseva A&A, 605 (2017) A67 Published online: 11 September 2017 DOI: 10.1051/0004-6361/201730610