Charifa Fouwou Njoya, et al. “Practice of Upper Gastrointestinal Endoscopy at Garoua General Hospital: Indications and Results: Pratique De l’Endoscopie Digestive Haute à l’Hôpital Général De Garoua : Indications Et Résultats”. HEALTH SCIENCES AND DISEASE, vol. 27, no. 9, Aug. 2026, pp. 114-8, doi:10.67260/hsd.v27i9.7877.