Ferreira CC, Souza SO. LevRad software as a tool to learn how to proceed with an evaluation of barriers. Cell Mol Biol (Noisy-le-grand) [Internet]. 2011 May 30 [cited 2024 May 3];57(2):1500-04. Available from: https://www.cellmolbiol.org/index.php/CMB/article/view/933