Oliveira CCV, Aparício R, Blanco-Vives B, Chereguini O, Martín I, F Sánchez-Vazquez J. Endocrine (plasma cortisol and glucose) and behavioral (locomotor and self-feeding activity) circadian rhythms in Senegalese sole (Solea senegalensis Kaup 1858) exposed to light/dark cycles or constant light. Fish Physiology and Biochemistry. 2013;39(3):479-87. doi:10.1007/s10695-012-9713-2