Roncero, Carlos and García-Ullán, Llanyra and Bullón, Alberto and Remón-Gallo, Diego and Vicente-Hernández, Begoña and Álvarez, Ana and Caldero, Amaya and Flores, Andrea and Aguilar, Lourdes (2020) The relevance of dual diagnoses among drug-dependent patients with sleep disorders. Journal of Clinical Medicine , 9 , (9) .