publicaciones seleccionadas artículo académico Thyroid disorders and mammographic density in Spanish women: Var-DDM study 2017-8-1 High mammographic density in long-term night-shift workers: DDM-Spain/var-DDM 2017-6-1 Sleep patterns, sleep disorders and mammographic density in spanish women: The DDM-Spain/Var-DDM study 2017-5-1