J. León-Caballero, L. Alba-Pale, P. Salgado-Serrano, and V. Pérez-Solà, “Neuroleptic malignant syndrome with slight elevation of creatine kinase in serum: a brief review”, Actas Esp Psiquiatr, vol. 43, no. 5, pp. 194–196, Sep. 2015.