Optical Coherence Tomography as a Biomarker in the Differential Diagnosis between Parkinson's Disease and Atypical Parkinsonian Syndromes: A Narrative Review. - Karatzetzou, Stella; Parisis, Dimitrios; Ioannidis, Serafeim; Afrantou, Theodora; Ioannidis, Panagiotis (Applied Sciences (2076-3417), 2024)