Karacheva, Yu. V. Sexually transmitted infections. Classification. Syphilis. Etiology. Pathogenesis. Primary syphilis. Clinical manifestations : video lecture for 5th-year students, majoring in the specialty 31.05.01 General Medicine / Yu. V. Karacheva ; Krasnoyarsk State Medical University. - Krasnoyarsk : KrasSMU, 2026. - Изображение. Устная речь. Текст : электронные