A.B. Tleubergenova, Z.U. Kunnazarova. Dangerous Symptoms Of Covid-19 Virus And Analysis Of Their Characteristics. tajmspr [Internet]. 2021 Oct. 20 [cited 2025 Aug. 5];3(10):12-7. Available from: https://www.theamericanjournals.com/index.php/tajmspr/article/view/2069