Universal Boosts, Specific Suppressors: Sparse Autoencoder Steering of Medical Vision-Language Models. - Farhad Nooralahzadeh; Benjamin Gundersen; Nicolas Deperrois; Hidetoshi Matsuom; Mizuho Nishio; Thomas Frauenfelder; Ahmed Allam; Christian Blüthgen; Michael Moor; Michael Krauthammer (CoRR, 2026)