Youssouf, Oumarou, Eudes Habib Evrard Mafata Ngonvon, JM Bambe Ouati, and Serge Magloire Camengo Police. “Les Anomalies En Endoscopies Digestives Hautes à Bangui”. ESI Preprints 8 (August 25, 2022): 257. Accessed May 3, 2024. https://esipreprints.org/index.php/esipreprints/article/view/122.