Angulo, Diego Hernando, Jaime Augusto Casas, Edna Carolina Cipagauta, and David Eduardo Aparicio. 2021. “Didactic Intervention for the Extraction and Quantification of Steroids in Urine”. Praxis & Saber 12 (31):e11215. https://doi.org/10.19053/22160159.v12.n31.2021.11215.