Mamaeva, M. G. Differential diagnosis and treatment of diseases of the stomach and esophagus (functional dyspepsia, gastritis, peptic ulcer, GERD) : video lecture for the 5st year students, majoring in the specialty 31.05.01 General Medicine / M. G. Mamaeva ; Krasnoyarsk State Medical University. - Krasnoyarsk : KrasSMU, 2026. - Изображение. Устная речь. Текст : электронные