Alvarado Chacón RE, Vilema Vizuete EG, Cuello Freire GE, Guevara Guamán VK. Health situation facing COVID-19 in vulnerable indigenous communities of Pichincha, Ecuador. Systemic review. Salud, Ciencia y Tecnología [Internet]. 2024 Apr. 4 [cited 2025 Oct. 5];4:917. Available from: https://sct.ageditor.ar/index.php/sct/article/view/793