Learning about threat from friends and strangers is equally effective: An fMRI study on observational fear conditioning. - Anna M. Kazmierowska; Michal Szczepanik; Marek Wypych; Dawid Drozdziel; Artur Marchewka; Jaroslaw M. Michalowski; Andreas Olsson; Ewelina Knapska (NeuroImage, 2022)