Title:Medical employment absenteeism and indirect costs related to non-specific low back pain in a health care provider in Cali Colombia in 2013. / Ausentismo por accidentes y enfermedad laboral y costos indirectos relacionados con la lumbalgia no específica en una entidad prestadora de servicios de salud en Cali 2013.
Title:A general framework for a class of non-linear approximations with applications to image restoration / V. Candela, A. Falcó [and] Pantaleón D. Romero.