Lock AD, Allen AR, Fleming AD, Goatman KA. The effect of watermarking on automated assessment of diabetic retinal images. IEEE T Inf Technol B. 2012 Jan 1.
Garcia-Esteve L, Torres A, Navarro P, Aguado J, Ascaso C. Maternidad the planned y psicomorbilidad: un riesgo evitable / Unplanned pregnancy and psychological morbidity: an avoidable risk. Fac Med Barc. 2005 Jul;32(3):111-8.