Muñoz Vargas, Édgar et al. 2016. Interobserver concordance of St. Joseph Hospital sign in physical examination of the anterolateral knee instability. Revista Colombiana de Ortopedia y Traumatología. 30, 3 (Nov. 2016), 90–94. DOI:https://doi.org/10.1016/j.rccot.2016.10.006.