1.
Berríos-López Y, Cádiz-Blackman J, Vélez-Hernández Y, Venegas HL, Ortiz A. Effectiveness of a Back School Program in the Application of Body Mechanics Principles. PRHSJ [Internet]. 2009 Feb. 4 [cited 2025 Dec. 19];28(1). Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/161