Pires L.V. González-Gil E.M. Anguita-Ruiz A. Bueno G. Gil-Campos M. Vázquez-Cobela R. Pérez-Ferreirós A. Moreno L.A. Gil Á. Leis R. Aguilera C.M. The vitamin D decrease in children with obesity is associated with the development of insulin resistance during puberty: The PUBMEP study Nutrients 10.3390/nu13124488 2021 2021