Shtark, E. V. Russia in the 19th century : video lecture for the 1st year students, majoring in the specialty 31.05.03 Dentistry / E. V. Shtark ; Krasnoyarsk State Medical University. - Krasnoyarsk : KrasSMU, 2021. - Изображение. Устная речь. Текст : электронные