Knowledge and attitudes about biosafety during the second semester of 2021 in the COVID-19 pandemic, in a group of teachers from schools in the metropolitan area of Bucaramanga. Revista faccea [Internet]. 2022 Feb. 5 [cited 2026 Sep. 23];12(1):84-97. Available from: https://editorial.uniamazonia.edu.co/faccea/article/view/520