1.
Preston AM, Venegas H, Rodríguez CA, Vélez-Rodríguez RM. Assessment of the National School Lunch Program in a Subset of Schools in San Juan, Puerto Rico: Participants vs. Non-Participants. PRHSJ [Internet]. 2013 Mar. 12 [cited 2025 Nov. 28];32(1). Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/765