Critical periods in the variation in body composition in school children. - Cristi-Montero, Carlos; Bresciani, Guilherme; Alvarez, Ana; Beneventi, Angelo; Canepa, Valentina; Espinoza, Paula; Parraguez, Melisa; Toledo, Carlos; Valencia, Consuelo; Rodriguez-Rodriguez, Fernando (Nutrición Hospitalaria, 2014)