The Impact of Primary Progressive Aphasia on Picture Naming and General Language Ability. - Peristeri E; Messinis L; Kosmidis MH; Nasios G; Mentis AA; Siokas V; Aloizou AM; Kotrotsios A; Andreou M; Dardiotis E (Cognitive and behavioral neurology : official journal of the Society for Behavioral and Cognitive Neurology, 2021)