Casini, A., R. Mancinelli, C. L. Mammola, L. Pannarale, P. Chirletti, P. Onori, and R. Vaccaro. “Distribution of Alpha-Synuclein in Normal Human Jejunum and Its Relations With the Chemosensory and Neuroendocrine System”. European Journal of Histochemistry, vol. 65, no. 4, Nov. 2021, doi:10.4081/ejh.2021.3310.