MELGAREJO POMAR, Ingrid Gaby  y  BALANZA ERQUICIA, Elfride. Clinical syndromes of acute and chronic COVID-19 infection among an indigenous high-altitude population during the first and second waves. Horiz. Med. [online]. 2023, vol.23, n.4.  Epub 18-Dic-2023. ISSN 1727-558X.