Cuestas, M. E., & Cuestas, E. (2010). Approximate Entropy of the Placebo Effect in Clinical Trials with New Generation Antidepressants. Revista De La Facultad De Ciencias Médicas De Córdoba., 67(4), 141–149. https://doi.org/10.31053/1853.0605.v67.n4.22566